experiment no 24 chemistry class 12

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Laboratory Manuals

• Class I to VIII
• Class I to V
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Mathematics

• Activities for I to V(1 - 16)
• Activities for I to V(17 - 27) and Projects
• Activities for VI to VIII(1 - 27)
• Activities for VI to VIII(28 - 51)
• Activities for VI to VIII(52 - 74)
• Activities for VI to VIII(75 - 93) and Projects
• कक्षा (I-V) के लिए क्रियाकलाप(1 - 16)
• कक्षा (I-V) के लिए क्रियाकलाप (17 - 27) और परियोजना
• कक्षा (VI-VIII) के लिए क्रियाकलाप(1 - 27)
• कक्षा (VI-VIII) के लिए क्रियाकलाप(28 - 51)
• कक्षा (VI-VIII) के लिए क्रियाकलाप(52 - 74)
• कक्षा (VI-VIII) के लिए क्रियाकलाप(75 - 93) और परियोजना
• About this Manual
• Theme 1- Food
• Theme 2- Materials
• Theme 3- The world of the living
• Theme 4- Moving things, people and ideas
• Theme 5- How things work
• Theme 6- Natural phenomena
• Theme 7- Natural Resources
• Project Work
• Exemplar projects
• Exemplar Educational games
• Activities for Class IX (1 to 10)
• Activities for Class IX (11 to 20)
• Activities for Class IX (21 to 34)
• कक्षा 9 के लिए क्रियाकलाप (1 to 10)
• कक्षा 9 के लिए क्रियाकलाप (11 to 20)
• कक्षा 9 के लिए क्रियाकलाप (21 to 34)
• Introduction
• The World of Living
• Moving things, People and ideas
• पदार्थ - प्रयोग पर आधारित विडियो कार्यक्रम

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प्रयोग -2
प्रयोग -3
प्रयोग -4
प्रयोग -5
प्रयोग -6
प्रयोग -7
प्रयोग -8
प्रयोग -9
प्रयोग -10
प्रयोग -11
प्रयोग -12
प्रयोग -13
प्रयोग -14
प्रयोग -15
प्रयोग -16
प्रयोग -17
प्रयोग

• गतिमान वस्तुएं, व्यक्ति एवं विचार
• गतिमान वस्तुएं व्यक्ति एवं विचार - प्रयोग पर आधारित विडियो कार्यक्रम

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प्रयोग -1
प्रयोग -2
प्रयोग -3
प्रयोग -5
प्रयोग -6
प्रयोग -7

• Activities for Class X (1 to 10)
• Activities for Class X (11 to 20)
• Activities for Class X (21 to 32)
• कक्षा 10 के लिए क्रियाकलाप (1 to 10)
• कक्षा 10 के लिए क्रियाकलाप (11 to 20)
• कक्षा 10 के लिए क्रियाकलाप (21 to 32)
• The Natural Phenomenon
• How Things Work

प्रयोग -1
प्रयोग -2
प्रयोग -3
प्रयोग -4
प्रयोग -5
प्रयोग -6
प्रयोग -7
प्रयोग -8
प्रयोग -9
प्रयोग -10
प्रयोग -11
प्रयोग -12
प्रयोग -13
प्रयोग -14
प्रयोग -15
प्रयोग -16
प्रयोग -17
प्रयोग -18
प्रयोग -19
प्रयोग -20
प्रयोग -21
प्रयोग -22
प्रयोग

• प्राकृतिक परिघटनाएंं विचार
• वस्तुएं कैसे कार्य करती है?
• प्रोजेक्ट कार्य
• Activities (1 to 10)
• Activities (11 to 20)
• Activities (21 to 33)
• क्रियाकलाप (1 - 10)
• क्रियाकलाप (11 - 20)
• क्रियाकलाप (21 - 33)
• Major Skills in Physics Practical work
• Experiments (1 to 5)
• Experiments (6 & 7)
• Experiment 8
• Experiments 10
• Experiments (11 to 13)
• Experiments (14 to 17)
• Activities (1 to 5)
• Activities (6 to 13)
• Projects (1 to 8)
• Projects 10 & 11
• Natural sines/cosines/tangents
• Demonstrations
• भौतिकी के प्रायोगिक कार्य कि प्रमुख कुशलताएँ
• प्रयोग (1 - 5)
• प्रयोग (6 & 7)
• प्रयोग (8 & 9)
• प्रयोग (10)
• प्रयोग (11 - 13)
• प्रयोग (14)
• प्रयोग (15 - 17)
• क्रियाकलाप (1 - 5)
• क्रियाकलाप (6 - 13)
• परियोजना (1 - 8)
• परियोजना (9)
• परियोजना (10 & 11)
• Unit-1 Introduction
• Unit-2 Basic Laboratory Techniques
• Unit-3 Purification and Criteria of Purity
• Unit-4 Chemical Equilibrium (Ionic Equilibrium in Solution)
• Unit-5 pH and pH Changes in Aqueous Solutions
• Unit-6 Titrimetric Analysis
• Unit-7 Systematic Qualitative Analysis
• प्रारंभिक परिचय
• प्रयोगशाला कि मूलभूत तकनीक
• शुद्धिकरण एवं शुद्धता की कसौटी
• रसायनिक साम्य
• pH और जलीय में pH परिवर्तन
• अनुमापंमितीय विश्लेषण
• क्रमबद्ध गुणात्मक विश्लेषण
• Exercise 7 & 8
• Exercise 9 & 10
• Exercise 11 & 12
• Exercise 13
• Exercise 14
• Exercise 15 to 20
• Exercise 21 to 24
• Exercise 25 to 27
• Exercise 28 to 30
• Exercise 31 to 34
• Activities(1 - 10)
• Activities(11 - 20)
• Activities(21 - 27)
• क्रियाकलाप (21 - 27)
• Unit 1(Colloids)
• Unit 2(Chemical Kinetics)
• Unit 3(Thermochemical Measurement)
• Unit 4(Electrochemistry)
• Unit 5(Chromatography)
• Unit 6(Titrimetric Analysis (Redox Reaction))
• Unit 7(Systematic Qualitative Analysis)
• Unit 8(Tests for Functional Groups in Organic Compounds)
• Unit 9(Preparation of Inorganic Compounds)
• Unit 10(Preparation of organic Compounds)
• Unit 11(Tests for Carbohydrates, Fats and Proteins)
• एकक 1(कोलाइड)
• एकक 2(रसायनिक बलगातिकी)
• एकक 3(ऊष्मा रसायनिक मापन)
• एकक 4(वैद्युत रसायन)
• एकक 5(क्रोमैटोग्रैफी (वर्णलेखिकी))
• एकक 6(अनुमापनमितीय विश्लेषण (रेडाक्स अभिक्रियाएं)
• एकक 7(क्रमबद्ध गुणात्मक विश्लेषण)
• एकक 8(कार्बनिक यौगिक में प्रकार्यात्मक समूहों का परिक्षण)
• एकक 9(आकार्बनिक यौगिक का विरचन)
• एकक 10(कार्बनिक यौगिक का विरचन)
• एकक 11(कार्बोहाइड्रेट, प्रोटीन और वसा का परिक्षण )
• Exercise 2 & 3
• Exercise 4 & 5
• Exercise 8 & 9
• Exercise 10
• Exercise 11
• Exercise 12 & 13
• Exercise 15
• Exercise 16 to 20
• Exercise 21
• Exercise 22 to 24
• Exercise 25
• Investigatory Project Work
• Introduction to Major skills in Physics practical work
• Experiment 1 & 2
• Experiment 3
• Experiment 4
• Experiment 5
• Experiment 6 & 7
• Experiment 8 & 9
• Experiment 10
• Experiment 11 to 13
• Experiment 14 to 18
• Activities 1 to 6
• Activities 7 to 11
• Activities 12 to 14
• Project 1 to 7
• Demonstration 1 to 14
• Data section
• प्रयोग (1 & 2)
• प्रयोग (14 - 18)
• क्रियाकलाप (1 - 6)
• क्रियाकलाप (7 - 11)
• क्रियाकलाप (12 - 14)
• परियोजना (1 - 7)
• दत्त अनुभाग

[Updated] CBSE Class 12 Chemistry Lab Manual 2024-25 Session in PDF

CBSE Class 12 Chemistry Lab Manual is provided to the students to score well in the examinations. For a subject like Chemistry, it is important to remember the right reactions and what they result in is vital. Students must concentrate on Chemistry Practicals because it has been allocated 30 marks. They must try to get full marks in this section to increase their overall marks in the CBSE class 12 examination. Students should study the laws and theories before performing the experiments and are suggested to revise their practical notes before their examination. That’s why we are providing a Class 12 Chemistry Lab Manual for practice purposes to obtain a great score in the final examination.

Before we discuss the Class 12 Lab Manual, let us check the CBSE Class 12 Summary; Below, we have mentioned the complete CBSE Class 12 Summary. The student is advised to check out to complete the summary.

	12th
	Chemistry
	CBSE
	Lab Manual

Class 12 Chemistry Lab Manual

Below we have mentioned the CBSE Chemistry Lab Manual for Class 12. Students have checked the complete Class 12 Chemistry Lab Manual in pdf for a great score in the final examination.

Example of Lab Manual

NOTE : The links given below for downloading Class 12 Chemistry Lab Manual in pdf format

Unit 1	Colloids
Unit 2	Chemical Kinetics
Unit 3	Thermochemistry
Unit 4	Electrochemistry
Unit 5	Chromatography
Unit 6	Titrimetric Analysis (Redox Reactions)
Unit 7	Systematic Qualitative Analysis
Unit 8	Tests for Functional Groups in Organic Compounds
Unit 9	Preparation of Inorganic Compounds
Unit 10	Preparation of Organic Compounds

Class 12 Chemistry Lab Manual Projects

1

Class 12 Chemistry Syllabus

Check out the latest CBSE NCERT Class 12 Chemistry Syllabus. The syllabus is for the academic year 2024-25 sessions. First of all, check the CBSE Class 12 Chemistry Exam Pattern. Students should review the complete syllabus and exam pattern with the marking scheme.

Class 12 Chemistry Exam Pattern

In this section, we have mentioned the Class 12 Chemistry Exam Pattern. Students can check the Class 12 Chemistry Exam Pattern for the academic year 2024-25.

Unit I	Solid State	10	23
Unit II	Solutions	10	“
Unit III	Electrochemistry	12	“
Unit IV	Chemical Kinetics	10	“
Unit V	Surface Chemistry	08	“
Unit VI	General Principles and Processes of Isolation of Elements	08	19
Unit VII	p -Block Elements	12	“
Unit VIII	d -and f -Block Elements	12	“
Unit IX	Coordination Compounds	12	“
Unit X	Haloalkanes and Haloarenes	10	28
Unit XI	Alcohols, Phenols and Ethers	10	“
Unit XII	Aldehydes, Ketones and Carboxylic Acids	10	“
Unit XIII	Amines	10	“
Unit XIV	Biomolecules	12	“
Unit XV	Polymers	08	“
Unit XVI	Chemistry in Everyday Life	06	“
			70

NOTE:-  To know more information about the Class 12 Chemistry Syllabus

Class 12 Chemistry Useful Resources

We have tried to bring CBSE Class 12 Chemistry NCERT Study Materials like Syllabus, Worksheet, Sample Paper, NCERT Solution, Important Books, Holiday Homework, Previous Year Question Paper, etc. You can visit all these important topics by clicking the links given.

ChemistryNCERT Solution

You Should Also Checkout

• [Updated] CBSE Class 12 Sanskrit Core NCERT Book 2024-25 Session in PDF
• [Updated] Class 12 Physics Notes 2024-25: Syllabus, Hand Written, MCQ, Important Question in PDF!
• [Updated] CBSE Class 12 Summer Season Holiday Homework 2024-25 Session in PDF
• 2000+ Physics MCQs for NEET 2024: Chapterwise Important Question and Answer

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Chemistry Lab Manual Class 12 PDF Download

Free pdf download.

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Chemistry is an essential subject of Science in which students learn by doing better than the theory. The Class 12 Chemistry Lab Manual is prepared to keep in mind the same. It helps students enhance their overall learning by helping them implement theoretical knowledge in practice or the real world. Also, it helps to know the key points to remember when doing an experiment. 

The Chemistry Lab Manual Class 12 in PDF for free is available here for ease of access, students can access the CBSE Class 12 Chemistry Lab Manual anytime, anywhere they want. A link to access Chapter wise CBSE Class 12 Chemistry manual in PDF file format is given on this page.

What is Chemistry Lab Manual Class 12 in PDF?

The CBSE Lab Manual Class 12  for Chemistry in PDF is an unofficial booklet prepared and released by our subject matter experts to help students better prepare for the practicals and internal assessments.

For ease of access, the Class 12 Chemistry Lab Manual is prepared in a chapter-wise manner. Students studying in Class 12 should access the lab manual as it will help them better understand the lessons and enable them to prepare for the examination much easier and faster.

Chapter Wise NCERT Chemistry Lab Manual Class 12 PDF

Every chapter of NCERT Class 12 Chemistry is considered while developing the NCERT Chemistry Lab Manual Class 12 PDF. The PDF file of Class 12 Chemistry is filled with various theories and experiments.

Going through the Chapter-wise NCERT Chemistry Lab Manual Class 12 PDF help students boost their command of the topics mentioned in the syllabus.

In this section, we have shared links to NCERT Chemistry Lab Manual Class 12 PDF:

• Chemistry Lab Manual Class 12 for Introduction to Basic Laboratory Equipment
• Chemistry Lab Manual Class 12 for Surface Chemistry
• Chemistry Lab Manual Class 12 for Chemical Kinetics
• Chemistry Lab Manual Class 12 for Thermochemistry
• Chemistry Lab Manual Class 12 for Electrochemistry
• Chemistry Lab Manual Class 12 for Chromatography
• Chemistry Lab Manual Class 12 for Preparation of Inorganic Compounds
• Chemistry Lab Manual Class 12 for Preparation of Organic Compounds
• Chemistry Lab Manual Class 12 for Tests for the Functional Groups Present in Organic Compounds
• Chemistry Lab Manual Class 12 for Tests of Carbohydrates, Fats and Proteins in Pure Samples and Detection of Their Presence in Given Food Stuffs
• Chemistry Lab Manual Class 12 for Volumetric Analysis
• Chemistry Lab Manual Class 12 for Qualitative Analysis
• Chemistry Lab Manual Class 12 for Experiment

What Includes in NCERT Chemistry Lab Manual Class 12 PDF?

A Statement followed by Aim, Apparatus/Material Required, Theory, Diagram (if applicable), Procedure, Observations, Calculations, Results/Outcome, Precautions, and Source of Error is the core elements mentioned in the NCERT Chemistry Lab Manual Class 12 PDF that we provide here. 

A brief intro to things mentioned in the Lab Manual of Class 12 Chemistry is mentioned here:

• Statement: The statement is like a question that needs to be answered by students, but in a systemic manner.
• Aim: The purpose of the statement or what the given statement wants from students is mentioned in the Aim section.
• Apparatus/Material Required: This section contains details of the Material required to complete the experiment mentioned in the form of the statement.
• Theory: Based on the topic, the experiments are given in the Lab Manual of CBSE Class 12; therefore, the theory is also explained in the Lab Manual.
• Diagram (if applicable): Not all but, in many experiments or practicals students are required to mention the charts.
• Procedure: A complete step-by-step process to successfully conducts the experiments are mentioned below.
• Observations: The observation section contains all the crucial data produced by the experiment or practical assessment.
• Calculations: Many experiments require separate Mathematical calculations which are also available in the Class 12 Chemistry Lab Manual.
• Results/Outcome: The result section requires the input of the total result of an experiment.
• Precautions: In order to do an error-free experiment, the precautions are mentioned in the CBSE Class 12 Chemistry Lab Manual PDF. The precautions ensure, students aren’t making any mistakes.
• Source of Error: In case of some error or wrong output in experiments, this section contains the possible source of errors.
• MCQ Questions and Answers: Based on the experiments, the CBSE Class 12 Lab Manual contains objective questions along with solutions. These MCQ Questions and answers can be useful when preparing for the viva questions.

Benefits of Class 12 Chemistry Lab Manual

There are several benefits of the Class 12 Chemistry Lab Manual that are discussed in this section.

• Helps Prepare Practical Notebook of CBSE Class 12 Chemistry to Submit for Internal Assessment: One of the benefits of the Class 12 Chemistry Lab Manual is that it helps students prepare the practical notebooks for CBSE Class 12 Chemistry which can be submitted for the internal assessment.
• A Better Preparation for Class 12 Chemistry Viva Questions: Various short and objective questions are available in the CBSE Class 12 Chemistry Lab Manual that are very helpful for the viva test as well as helps in answering the MCQ questions in the annual examination of CBSE Class 12.
• Helps Develop In-depth Understanding in Class 12 Chemistry: Due to hands-on experience with practical questions, students develop a better understanding of Class 12 Chemistry. It helps score better marks in the examination of CBSE Class 12 Chemistry.

Why Should You Use Chemistry Lab Manual Class 12?

Since Class 12 Lab Manual Chemistry is a study material, there are some reasons why students should use the Class 12 Chemistry Lab Manual.

• Hands-on Experience: Class 12 Chemistry lab manuals provide students with hands-on experience in conducting experiments and analyzing data. This hands-on experience helps students to better understand the concepts they are learning in class 12 Chemistry.
• Strengthen Concepts: The lab manual of CBSE Class 12 Chemistry provides a practical way to strengthen the concepts learned in class. Students can apply the theories they learned in class to real-world situations and see how they work in practice.
• Develop Skills: With the help of the Chemistry Lab Manual Class 12 PDF, students develop important skills such as observation, data analysis, and critical thinking. These skills are essential in many fields, not just in Chemistry, and will be useful throughout a student's academic and professional career.
• Preparation for Exams: Practicing experiments from the lab manual can help students prepare for their exams. By performing hands-on experiments, students can gain confidence in their abilities and improve their performance in exams.
• Due to Safety Reasons: There are safety guidelines and precautions in the Chemistry lab manual of NCERT Class 12 that students need to follow while conducting experiments. This ensures that students are aware of the risks involved and take necessary precautions to avoid any damage or accident.

When Is the Best Time to Use Chemistry Lab Manual Class 12 PDF?

Chemistry Lab Manual is not something to use on a regular basis but it becomes important when the annual examination date comes closer. In this section, we have shared the best time to use Chemistry Lab Manual Class 12 PDF.

• When Preparing for the CBSE Class 12 Chemistry Examination: At the time of Class 12 Chemistry exam preparation, students can use the NCERT Class 12 Chemistry Lab Manual which will help students better prepare for the MCQs as well as it will help them better develop practical knowledge of Chemistry.
• While Preparing the Practical Notebook for Internal Assessment: All the class 12 students are required to submit the practical notebook before the examination for internal assessment purposes, this is the best time to use the Chemistry Lab Manual Class 12 in PDF for free of cost.

How to Download Chemistry Lab Manual Class 12 in PDF for Free?

For ease of access, here, we have a step-by-step guide:

• Visit Selfstudys.com
• Find & Click on the Navigation button

• Navigate to the CBSE and click to expand

• Then, Click on Lab Manual

• A new page opens, Choose Class 12 and you are ready to access the Chemistry Lab Manual Class in PDF for free.

What Are The Major Skills In Chemistry Practical Work for Class 12?

There are a few major skills class 12 students who opted for Chemistry are expected to have in Chemistry practical work for Class 12.

• Manipulative Skills: One of the most important skills is Manipulative Skills which means, the ability to use hands or body to perform precise movements and control objects or tools.
• Observational Skills: Class 12 Students should have the observational skills to perform the practical work of Class 12 Chemistry. This skill helps students read about instruments and measure physical quantities, keeping the least count in mind.
• Drawing Skills: In order to depict the direction of force, tension, current, ray of light etc using suitable lines and arrows in Class 12 Chemistry, drawing skills are a must.
• Reporting Skills: To represent the observational data such as aim, apparatus, the formula used, principle, observation table, calculations and result for the experiment, from the Class 12 Chemistry experiments, the reporting skills are the most among all the major skills in Chemistry Practical Work for Class 12.
• Process-Oriented Performance Skills: One among many major skills is process-oriented performance skills in which students should have the ability to take the right decision while choosing the tools, instruments, materials, apparatus and chemicals and handle them appropriately.
• Product-Oriented Performance Skills: The skill to set up the apparatus according to the plan of the experiment, as well as the ability to verify the errors of the apparatus before attempting the Class 12 Chemistry practical exam, is known as Product-Oriented Performance skills.
• Mathematical Skills: To analyse, collect data, and prepare observations and calculations in Class 12 Chemistry Practicals, Mathematical Skills are important. 

*All the above-mentioned skills can be learnt if someone is dedicated to studying the Chemistry Lab Manual Class 12 honestly, properly and regularly.

Importance of Class 12 Chemistry Lab Manual for CBSE Class 12 Exam

The Class 12 Chemistry Lab Manual for CBSE Class 12, helps students in a variety of ways in the annual exam preparation. Here is the list of points of how the CBSE Class 12 Chemistry Lab Manual plays an important role in a class 12 student’s life during exam preparation.

• Enhances Problem-Solving Skills: The Chemistry Lab Manual of Class 12 has a few questions that require students to identify problems, design experiments, and analyze data. This helps students develop problem-solving skills and critical thinking abilities. Due to this skill, students better perform in the final examination of CBSE Class 12.
• Improves Accuracy and Precision: Having better accuracy and precision helps students score better marks in the examination. Similarly, performing experiments in the lab requires students to be accurate and precise in their measurements and observations. This helps them improve their scientific skills and develop a better understanding of the importance of accuracy and precision in Class 12 Chemistry. Due to this skill learnt from the Class 12 Chemistry Lab Manual, students are able to score impressive marks in the examination.
• Helps In Exam Preparation: The lab manual includes a range of experiments that cover the CBSE Class 12 Chemistry syllabus. Students can use the Lab manual of Class 12 Chemistry to practice the experiments and become familiar with the types of questions that may be asked in the practical exam.

Common Mistakes to Avoid in Class 12 Chemistry Practical Exams?

Here are some common mistakes to avoid in Class 12 Chemistry 

Practical Exams that you should improve when practising using the NCERT Class 12 Chemistry Lab Manual PDF for free of cost. 

• Not reading the instructions carefully: Many Class 12 students lose marks by not reading the instructions carefully or skipping steps in the Chemistry experiment. It is important to read the instructions thoroughly before starting the experiment and to follow each step carefully to avoid any type of confusion and doubts.
• Not taking accurate measurements: The CBSE Class 12 Chemistry experiments require accurate measurements. Students should take care to use measuring instruments correctly and record their measurements accurately. It is also important to pay attention to units and significant figures. Because these are the most common mistakes Class 12 students often make in the Chemistry Practical exam.
• Not understanding the concepts: Chemistry practical work is not just about following procedures; it requires an understanding of the concepts covered. CBSE Class 12 Students should take care to understand the Chemistry principles or theory involved in the experiment, as this will help them interpret their results and draw conclusions.
• Not being organized: A messy representation of Practical work also creates several confusions. Class 12 Chemistry practical exams often involve multiple experiments to be completed within a limited time. Class 12 Students should be organized and manage their time effectively to complete all Chemistry experiments within the given time frame.
• Not presenting the results clearly: In addition to performing the Chemistry experiment of Class 12, students need to present their results clearly and accurately. It is important to mention the graphs and tables correctly, include units and uncertainties, and provide a clear explanation of the Class 12 Chemistry Practical results.

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Chemistry Practical Class 12: Understand the Concepts Better

Get Practical Knowledge about Class 12 Chemistry Chapters in Detail

The Chemistry Practical Class 12 exams are an essential part of the subject's assessment and play a vital role in the overall academic performance of the students. These practicals provide students with hands-on experience in conducting experiments, analyzing data, and drawing conclusions, which is critical to understanding the subject's practical applications.

The CBSE Class 12 Chemistry Practical Syllabus is divided into two sections - A and B. Section A consists of different experiments that students are required to perform during the practical exam. The experiments include topics such as qualitative analysis, salt analysis, and volumetric analysis. Section B consists of project work, which requires students to select a topic of their interest and carry out research and experimentation based on it.

The practical component of Class 12 Chemistry enables students to develop a better understanding of the theoretical concepts and principles taught in the classroom. It helps them to apply these concepts to real-life situations, thereby enhancing their knowledge and skills. Additionally, the Chemistry Practical Class 12 PDF enable students to develop essential skills such as observation, data collection, analysis, and problem-solving, which are valuable for higher education and future careers.

What Can Chemistry Practical Class 12 Teach Students?

The CBSE Class 12 Chemistry Practical Syllabus are an essential component of the subject's assessment, which plays a vital role in evaluating the student's understanding of the subject's practical applications. The practicals test the students on various aspects such as their ability to conduct experiments, record observations, analyze data, and draw conclusions.

The practicals test the students on their understanding of the theoretical concepts taught in the classroom, and how well they can apply these concepts in real-life situations. It helps students to develop essential skills such as observation, data collection, analysis, and problem-solving, which are critical for higher education and future careers.

The Chemistry practicals and experiments can teach students various concepts, including the importance of accuracy, precision, and safety in a laboratory setting. It teaches them to be careful while handling chemicals, apparatus, and reagents, as even small errors can lead to disastrous consequences. They learn about the significance of following protocols, procedures, and ethical practices while conducting experiments, which is essential in scientific research and development.

Vedantu is an online education platform that is providing Class 12 Chemistry Practical Viva Questions with Answers PDF for the students. Along with that, students are also provided with lab manuals that detail the process involved in the experiments. Getting such information can help the students understand the subject in a much better way. 

They will be able to perform the experiments properly. Since these practical examinations for Class 12 Chemistry have significant weightage in the exams, there is no doubt the overall score of students would improve as well. So, that is one of the main reasons why students need to download the PDF files and get all the details about Chemistry Practical Class 12 .

CBSE Class 12 Chemistry Practical MCQs With Answers 

1. Which of the following is a lyophobic sol?

b) Aluminium hydroxide

c) Egg albumin

Answer: b) Aluminium hydroxide

2. The process of separating solutes from a colloid solution through a semipermeable membrane is known as:

a) Dialysis

b) Emulsification

c) Coagulation

d) Precipitation

Answer: a) Dialysis

3. Which of the following is an emulsifying agent?

Answer: d) Soap

4. The rate of reaction between Sodium Thiosulphate and Hydrochloric acid increases with:

a) Decrease in concentration of Sodium Thiosulphate

b) Decrease in concentration of Hydrochloric acid

c) Increase in concentration of Sodium Thiosulphate

d) Increase in concentration of Hydrochloric acid

Answer: c) Increase in concentration of Sodium Thiosulphate

5. Which of the following is used as an indicator in the reaction between Potassium Iodate and Sodium Sulphite?

a) Methylene blue

b) Starch solution

c) Phenolphthalein

d) Bromocresol green

Answer: b) Starch solution

6. Enthalpy of neutralisation is the heat evolved when:

a) An acid reacts with water

b) A base reacts with water

c) An acid reacts with a base

d) A salt dissolves in water

Answer: c) An acid reacts with a base

7. Enthalpy of dissolution is the heat absorbed when:

a) A solid dissolves in water

b) A gas dissolves in water

c) A liquid dissolves in water

d) A salt precipitates from a solution

Answer: a) A solid dissolves in water

8. The electrochemical cell represented by Zn/Zn2+||Cu2+/Cu is an example of:

a) Galvanic cell

b) Electrolytic cell

c) Fuel cell

d) Voltaic cell

Answer: a) Galvanic cell

9. Which of the following is an example of paper chromatography?

a) Gas chromatography

b) Column chromatography

c) Thin-layer chromatography

d) High-performance liquid chromatography

Answer: c) Thin-layer chromatography

10. The double salt of Ferrous Ammonium Sulphate is also known as:

a) Mohr's salt

b) Glauber's salt

c) Epsom salt

d) Rochelle salt

Answer: a) Mohr's salt

11. Which of the following is used for the preparation of Potassium Ferric Oxalate?

a) Ferrous sulphate and oxalic acid

b) Ferric chloride and potassium oxalate

c) Ferric chloride and oxalic acid

d) Ferrous sulphate and potassium oxalate

Answer: b) Ferric chloride and potassium oxalate

12. Which of the following compounds is prepared during the preparation of Di-benzalAcetone?

b) Benzaldehyde

d) p-Nitroaniline

Answer: b) Benzaldehyde

13. Which functional group is present in aldehydes?

Answer: c) -CHO

14. Which of the following anions will not form a precipitate with silver nitrate?

a) Chloride

c) Carbonate

Answer: d) Acetate

15. What is the purpose of using starch solution as an indicator in the reaction between Potassium Iodate (KIO3) and Sodium Sulphite: (Na2SO3)?

a) To detect the presence of iodine

b) To slow down the reaction

c) To form a colored complex with iodine

d) To detect the endpoint of the reaction

Answer: d) To detect the endpoint of the reaction.

Download Class 12 Chemistry Practical Viva Questions with Answers PDF 

The experiments in the Chemistry Practical Class 12 PDF include different sections such as Surface Chemistry, Chemical Kinetics, Thermochemistry, Electrochemistry, Chromatography, Preparation of inorganic and organic compounds, tests for functional groups in organic compounds, and qualitative analysis for cations and anions, etc. These experiments test a student's knowledge and understanding of various concepts and topics in

The practicals can also help students to understand the practical applications of Chemistry in everyday life, including the production of medicines, food preservation, and water purification. The practicals and experiments can also develop their problem-solving skills, which can benefit them in their future careers as scientists, engineers, and researchers.

Furthermore, the practicals can also teach students about the significance of teamwork and collaboration in a laboratory setting. Students learn to work in groups, communicate their findings effectively, and share their knowledge and expertise with others. This skill can help them in their future careers as they work collaboratively with other professionals to solve complex problems.

Get Better in Experimenting With Chemistry Practical Class 12 PDF 

Class 12 Chemistry practicals are an essential part of the CBSE curriculum, which enables students to gain practical experience and develop critical thinking skills necessary for pursuing higher education and careers in Chemistry and related fields. Download the Chemistry Practical Notebook Class 12 and start learning.

FAQs on Chemistry Practical Class 12: Understand the Concepts Better

1. What is the importance of practicals in CBSE Class 12?

Practical exams in CBSE Class 12 are an essential component of the curriculum and account for 30% of the total marks. Practical exams help students to apply theoretical concepts practically and understand them better. They also develop scientific skills such as observation, inference, analysis, and experimentation.

2. How should I prepare for the CBSE Class 12 Chemistry practicals?

To prepare for the CBSE Class 12 Chemistry practicals, you should first understand the concepts of each experiment and practice performing them in the lab. You can refer to your lab manual and study material for guidance. Also, you should focus on making accurate observations and keeping neat and detailed records.

3. What should I do if I face difficulty in performing an experiment during the CBSE Class 12 Chemistry practicals?

If you face difficulty in performing an experiment during the CBSE Class 12 Chemistry practicals, you should immediately seek help from your teacher or lab assistant. Do not try to handle the situation on your own, as it could lead to inaccurate results and possible safety hazards.

4. What safety precautions should I take during the CBSE Class 12 Chemistry practicals?

You should always wear safety goggles and lab coats during the CBSE Class 12 Chemistry practicals to protect your eyes and clothes. Also, you should follow all the safety instructions given by your teacher, such as handling chemicals with care, keeping flammable materials away from heat sources, and properly disposing of chemical waste.

5. What is the role of viva voce in the CBSE Class 12 Chemistry practicals?

The viva voce is an important part of the CBSE Class 12 Chemistry practicals, as it tests your understanding of the experiment and its concepts. During the viva voce, you may be asked questions related to the experiment, such as the theory behind it, the observations made, and the significance of the results.

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NCERT Solutions for Class 12 Chemistry

Download chapter-wise ncert solutions for class 12 chemistry.

NCERT Solutions for Class 12 Chemistry  are drafted by the faculty at BYJU’S to help students learn all the complex concepts efficiently. Each and every question from the NCERT Textbook is answered in a systematic format to help students learn in a shorter duration. NCERT Solutions are prepared following vast research to make it easier for the students to complete the entire syllabus before the exams. Though various study materials are available online, it is very important for the students to identify their individual needs, and find the appropriate material accordingly. For this purpose, we at BYJU’S have provided both online and offline formats of the solutions, completely based on the latest syllabus of the CBSE board.

Students can access the chapter-wise solutions on this page from the links provided below. NCERT Solutions for Class 12 Chemistry Chapter 2 PDF Download option can be used by the students while learning the chapters from the textbook. NCERT Solutions Class 12 Chemistry (specific chapter) can be downloaded by clicking the links which are provided below.

NCERT Solutions for Class 12 Chemistry (Chapter-wise)

• Chapter 1: Solutions
• Chapter 2: Electrochemistry
• Chapter 3: Chemical Kinetics
• Chapter 4: The d & f Block Elements
• Chapter 5: Coordination Compounds
• Chapter 6: Haloalkanes and Haloarenes
• Chapter 7: Alcohols, Phenols, and Ethers
• Chapter 8: Aldehydes, Ketones, and Carboxylic Acids
• Chapter 9: Amines
• Chapter 10: Biomolecules

The following chapters have been removed from the NCERT Class 12 Chemistry textbook 2023-24.

• The Solid State
• Surface Chemistry
• General Principles and Processes of Isolation of Elements
• The p-Block Elements
• Chemistry in Everyday Life

Understanding the concepts during class hours might be difficult for the students. To overcome this issue, students must make use of the reference materials which are available online to get their doubts cleared. Regular practice of concepts in which they are weak will make them more confident from the exam point of view. Students are advised to read the chapter from the NCERT textbook and answer the exercise questions present in them for strong conceptual knowledge. The problem-solving and analytical thinking skills among students will be developed if the students answer the questions by referring to the NCERT Solutions available at BYJU’S.

Download NCERT Chemistry Class 12 Solutions PDF to boost your final exam preparation.

NCERT Solutions Class 12 Chemistry

NCERT Solutions Class 12 Chemistry is an important subject as it contains many chemical reactions and problems which are of more marks when it comes to exams. Scoring good marks in this subject is possible only if students learn the chapters on a regular basis. Even numericals are present in the chapters, so noting down the important formulas and understanding the method of solving them is an important step here. The NCERT Solutions contain an explanation for each reaction so that it will be easier for the students while preparing for the exams. Students will also be able to revise the chapters and recall them easily while answering the complex questions in the exam.

NCERT Solutions Class 12 Chemistry Chapter Details and Exercises

Chapter 1: the solid state.

This chapter explains the general characteristics of solid state, crystal lattice, classification of solids , imperfections in solids and unit cell. Matter is of three states – solid, liquid and gas. Solids are again divided into – Crystalline and Amorphous. Crystalline has a definite shape, whereas amorphous has no form. NCERT Solutions is a perfect guide to acquire a firm grip over these concepts. To strengthen the concepts further, students can also access the NCERT Exemplar Solutions which are available at BYJU’S.

Also access the following resources for Class 12 Chapter 1 The Solid State at BYJU’S:

• The Solid State Class 12 Notes Chapter 1
• Chemistry Revision Notes for Class 12 Chapter 1 the Solid State
• NCERT Exemplar Class 12 Chemistry Solutions for Chapter 1 – Solid State
• Chapter I – Solid State

Chapter 2: Solutions

A solution is a mixture of two or more components. This chapter helps students to understand the concentration of solutions, types of solutions, the vapour pressure of liquid solutions, solubility of gases and solids in a liquid, ideal and non ideal solutions and Raoult’s Law. Various problems based on finding the molarity, mole fraction, mass percentage and Henry’s Law constant are also present here. These problems are not only important for the Class 12 exams but also are of higher importance in competitive exams like JEE Mains, JEE Advanced etc.

Topics Covered in Class 12 CBSE Chemistry Chapter 2 Solutions :

Types of solutions, expression of concentration of solutions of solids in liquids, solubility of gases in liquids, solid solutions, colligative properties – relative lowering of vapour pressure, elevation of B.P., depression of freezing point, osmotic pressure, determination of molecular masses using colligative properties, and abnormal molecular mass.

Also access the following resources for Class 12 Chapter 2 Solutions at BYJU’S:

• Solutions Class 12 Notes Chapter 2
• NCERT Exemplar Class 12 Chemistry Solutions for Chapter 2 – Solutions

Chapter 3: Electrochemistry

Electrochemistry is defined as the branch of Chemistry which deals with the relationship between electrical and chemical energy produced in a redox reaction and their conversion. The concepts which are covered in this chapter are – electrochemical cells, Galvanic cells , Nernst equation, conductance of electrolytic solutions, electrolytic cells and electrolysis, batteries, fuel cells and corrosion. Students who are not able to solve the numerical problems can also refer to the NCERT Solutions and answer them effortlessly.

Topics Covered in Class 12 CBSE Chemistry Chapter 3 Electrochemistry :

Redox reactions; conductance in electrolytic solutions, specific and molar conductivity variations of conductivity with concentration, Kohlrausch’s Law, electrolysis and laws of electrolysis (elementary idea), dry cell – electrolytic cells and Galvanic cells; lead accumulator, EMF of a cell, standard electrode potential, Nernst equation and its application to chemical cells, fuel cells; corrosion.

Also access the following resources for Class 12 Chapter 3 Electrochemistry at BYJU’S:

• Electrochemistry Class 12 Notes Chapter 3
• Electrochemistry Formulas for NEET
• MCQs on Electrochemistry
• Chemistry Revision Notes for Class 12 Chapter 3 Electrochemistry
• NCERT Exemplar Class 12 Chemistry Solutions for Chapter 3 – ElectroChemistry Solutions

Chapter 4: Chemical Kinetics

This chapter will provide you with a good understanding of the rate of chemical reaction, Arrhenius equation , dependence on the rate of reaction and collision theory of chemical reaction. Chemical Kinetics is a branch of Chemistry which deals with the rate of chemical reaction, the factors affecting it and the mechanism of the reaction. We have 3 types in accordance to the rate of reaction – Instantaneous reactions, Slow reactions and Moderately Slow reactions.

Topics Covered in Class 12 CBSE Chemistry Chapter 4 Chemical Kinetics :

Rate of a reaction (average and instantaneous), factors affecting rates of reaction: concentration, temperature, catalyst; order and molecularity of a reaction; rate law and specific rate constant, integrated rate equations and half life (only for zero and first order reactions); concept of collision theory (elementary idea, no mathematical treatment).

Also access the following resources for Class 12 Chapter 4 Chemical Kinetics at BYJU’S:

• NCERT Exemplar Class 12 Chemistry Solutions for Chapter 4 – Chemical Kinetics
• Chemical Kinetics
• Chemical Kinetics Class 12 Notes Chapter 4
• Chemistry Revision Notes for Class 12 Chapter 4 Chemical Kinetics

Chapter 5: Surface Chemistry

Surface chemistry deals with important features like catalysis, adsorption and colloids which comprises gel and emulsion. After going through this chapter, students will understand the interfacial phenomenon and its significance, adsorption and its classification, mechanism of adsorption and the factors controlling adsorption. Further solving the textbook questions along with previous year question papers will boost the exam preparation of CBSE students.

Also access the following resources for Class 12 Chapter 5 Surface Chemistry at BYJU’S:

• Surface Chemistry Class 12 Notes Chapter 5
• Chapter 5 – Surface Chemistry
• NCERT Exemplar Class 12 Chemistry Solutions for Chapter 5 – Surface Chemistry Solutions
• MCQs on Surface Chemistry
• Chemistry Revision Notes for Class 12 Chapter 5 Surface Chemistry

Chapter 6: General Principles and Processes of Isolation of Elements

Metallurgy is a scientific and technological process which is followed to isolate the metal from its ores. Apart from explaining the processes and reactions of metal extraction, students will also learn about the fundamental principles and developments which would occur in this field. Aluminium is the most abundant metal which is found on the earth’s crust which is 8.3% by weight. So cleaning the ore, i.e., removal of particles like clay, sand etc., is known as concentration or dressing of the ore.

Also access the following resources for Class 12 Chapter 6 General Principles and Processes of Isolation of Elements at BYJU’S:

• General Principles and Processes of Isolation of Elements Class 12 Notes Chapter 6
• Chapter 6 – General Principles and Processes of Isolation of Elements
• Chemistry Revision Notes for Class 12 Chapter 6 General Principles and Processes of Isolation of Elements
• General principles and Processes of Isolation of Elements MCQ
• NCERT Exemplar Class 12 Chemistry Solutions for Chapter 6 – General Principles And Processes Of Isolation Of Elements

Chapter 7: The p-Block Elements

The history of the p-block elements has a history which takes us back to the 19th century. Group 13, 14, 15, 16, 17 and 18 elements are known as p-block elements. They exist in three physical states – metal, non metal and metalloids. For a better clarification of these concepts, students can refer to the NCERT Solutions available at BYJU’S. The clear explanation of each and every concept will help students attain good marks in the final exam.

Also access the following resources for Class 12 Chapter 7 The p-Block Elements at BYJU’S:

• Chapter 7 – P – Block Elements
• MCQs on p-Block Elements for NEET
• The p-Block Elements Class 12 Notes Chapter 7
• NCERT Exemplar Class 12 Chemistry Solutions for Chapter 7 – The P Block Elements

Chapter 8: The d- and f-Block Elements

The elements which are lying between the s and p-block elements are called as d-block or transition elements . The inner transition series are called as f-block elements. This chapter introduces concepts such as the general properties of transition elements, variation in ionic and atomic size of transition metals, physical properties, ionization enthalpies, magnetic properties and oxidation states. Students will get a clear idea about the electronic configuration, general characteristics and properties of important compounds in this chapter.

Topics Covered in Class 12 CBSE Chemistry Chapter 8 The d- and f-Block Elements :

General introduction, electronic configuration, occurrence and characteristics of transition metals, general trends in properties of the first row transition metals – metallic character, ionization enthalpy, oxidation states, ionic radii, colour, catalytic property, magnetic properties, interstitial compounds, alloy formation. Preparation and properties of K 2 Cr 2 O 7 and KMnO 4 . Lanthanoids: electronic configuration, oxidation states, chemical reactivity and lanthanoid contraction. Actinoids: Electronic configuration, oxidation states.

Also access the following resources for Class 12 Chapter 8 The d- and f-Block Elements at BYJU’S:

• The d-and f-Block Elements Class 12 Notes Chapter 8
• NCERT Exemplar Class 12 Chemistry Solutions for Chapter 8 – The D Block And F Block Elements
• MCQ on D and F Block Elements
• Chapter 8 – D and F Block Elements

Chapter 9: Coordination Compounds

Coordination compounds is a challenging area in the modern inorganic chemistry. In this chapter, students will be able to learn about Werner’s Theory of Coordination Compounds, definitions of important terms, nomenclature, isomerism , bonding, stability, importance and applications of coordination compounds. They will also study about the bonding in meta carbonyls which is important for the exams. These concepts are important for CBSE exams and competitive exams so more importance should be given when it comes to scoring marks.

Topics Covered in Class 12 CBSE Chemistry Chapter 9 The Coordination Compounds:

Coordination compounds: Introduction, ligands, coordination number, colour, magnetic properties and shapes, IUPAC nomenclature of mononuclear coordination compounds, bonding; isomerism, importance of coordination compounds (in qualitative analysis, extraction of metals and biological systems).

Also access the following resources for Class 12 Chapter 9 Coordination Compounds at BYJU’S:

• NCERT Exemplar Class 12 Chemistry Solutions for Chapter 9 – Coordination Compounds
• Coordination Compounds MCQ
• Chemistry Revision Notes for Class 12 Chapter 9 the Coordination Compounds
• Coordination Compounds Class 12 Notes Chapter 9

Chapter 10: Haloalkanes and Haloarenes

The halogen derivatives of hydrocarbons are called haloalkanes. They are classified based on the number of hydrogen atoms present in them. The aromatic compounds in which the halogens are attached directly to the carbon atom of the aromatic ring are called haloarenes. In this chapter, students will also get an idea about the methods of preparation, chemical and physical properties and the organohalogen compounds uses. The reactions involved in the preparation of haloarenes and haloalkanes are explained clearly in this chapter to help students perform well in the exams.

Topics Covered in Class 12 CBSE Chemistry Chapter 10 Haloalkanes and Haloarenes :

Haloalkanes: Nomenclature, nature of C-X bond, physical and chemical properties, mechanism of substitution reactions. Haloarenes: Nature of C-X bond, substitution reactions (directive influence of halogen for monosubstituted compounds only). Uses and environmental effects of – dichloromethane, trichloromethane, tetrochloromethane, iodoform, freons, DDT.

Also access the following resources for Class 12 Chapter 10 Haloalkanes and Haloarenes at BYJU’S:

• Haloalkanes and Haloarenes Class 12 Notes Chapter 10
• NCERT Exemplar Class 12 Chemistry Solutions for Chapter 10 – Haloalkanes And Haloarenes
• Chapter 10 – Haloalkanes and Haloarenes
• Chemistry Revision Notes for Class 12 Chapter 10 Haloalkanes and Haloarenes
• Haloalkanes and Haloarenes MCQs

Chapter 11: Alcohols, Phenols and Ethers

The c lassification of alcohols and phenols are based on the number of -OH groups present. Compounds which have one -OH group are called monohydride alcohols and phenols. The compounds which have two, three or more -OH groups are called dihydric, trihydric or polyhydric alcohols and phenols. Students will study about the reactions involved in the process of making alcohols from phenols, alcohols and ethers. It will also help students to learn about the physical properties of alcohols, phenols and ethers.

Topics Covered in Class 12 CBSE Chemistry Chapter 11 Alcohols, Phenols and Ethers :

Alcohols: Nomenclature, methods of preparation, physical and chemical properties (of primary alcohols only); identification of primary, secondary and tertiary alcohols; mechanism of dehydration, uses, some important compounds – methanol and ethanol.

Phenols: Nomenclature, methods of preparation, physical and chemical properties, acidic nature of phenol, electrophilic substitution reactions, uses of phenols.

Ethers: Nomenclature, methods of preparation, physical and chemical properties, uses.

Also access the following resources for Class 12 Chapter 11 Alcohols, Phenols and Ethers at BYJU’S:

• Alcohols, Phenols and Ethers Class 12 Notes Chapter 11
• Important Notes For NEET Chemistry – Alcohols, Phenols and Ethers
• Chemistry Revision Notes for Class 12 Chapter 11 Alcohols, Phenols and Ethers
• NCERT Exemplar Class 12 Chemistry Solutions for Chapter 11 – Alcohols Phenols And Ethers
• MCQ on Alcohols, Phenols and Ethers

Chapter 12: Aldehydes, Ketones and Carboxylic Acids

In organic chemistry, aldehydes, ketones and carboxylic acids are of utmost importance. Aldehydes and Ketones can be obtained by the hydration of alkynes, ozonolysis of alkenes and by the oxidation of alcohols . Carboxylic acids can be obtained by the oxidation of aldehydes or primary alcohols. This chapter is very important and carries more marks in the board exam. For this purpose, students have to learn all the concepts and revise them on a regular basis for a good score.

Topics Covered in Class 12 CBSE Chemistry Chapter 12 Aldehydes, Ketones and Carboxylic Acids :

Aldehydes and Ketones: Nomenclature, nature of carbonyl group, methods of preparation, physical and chemical properties, and mechanism of nucleophilic addition, reactivity of alpha hydrogen in aldehydes; uses. Carboxylic Acids: Nomenclature, acidic nature, methods of preparation, physical and chemical properties; uses.

Also access the following resources for Class 12 Chapter 12 Aldehydes, Ketones and Carboxylic Acids at BYJU’S:

• Aldehydes, Ketones and Carboxylic Acids Class 12 Notes Chapter 12
• Aldehydes, Ketones and Carboxylic Acids MCQs
• NCERT Exemplar Class 12 Chemistry Solutions for Chapter 12 – Aldehydes Ketones And Carboxylic Acids
• Chemistry Revision Notes for Class 12 Chapter 12 Aldehydes, Ketones and Carboxylic Acids

Chapter 13: Amines

The derivatives of ammonia are amines which are obtained by the replacement of hydrogen. From this chapter, students will be able to understand the nomenclature, structure and properties of amines . Amines are an important organic compound which contains nitrogen. Numerous examples of determining the basicity of amines, the reaction and synthesis of amines are explained briefly in this chapter. Students will obtain a good hold on these concepts by answering the questions present at the end of the chapter.

Topics Covered in Class 12 CBSE Chemistry Chapter 13 Amines :

Amines: Nomenclature, classification, structure, methods of preparation, physical and chemical properties, uses, and identification of primary, secondary and tertiary amines. Cyanides and Isocyanides will be mentioned at relevant places in context. Diazonium salts: Preparation, chemical reactions and importance in synthetic organic chemistry

Also access the following resources for Class 12 Chapter 13 Amines at BYJU’S:

• Amines Class 12 Notes Chapter 13
• MCQs on Amines
• NCERT Exemplar Class 12 Chemistry Solutions for Chapter 13 – Amines

Chapter 14: Biomolecules

The organic compounds which are present as essential constituents in different cells of the living organism are called biomolecules . These include proteins, carbohydrates, vitamins, enzymes and nucleic acids. The interaction of biomolecules constitute the molecular logic of life processes. Simple molecules such as mineral salts and vitamins play an important role in the function of organisms. The structure and functions of the biomolecules are covered in this chapter as per the latest CBSE guidelines.

Topics Covered in Class 12 CBSE Chemistry Chapter 14 Biomolecules :

Carbohydrates: Classification (aldoses and ketoses), monosaccharides (glucose and fructose), oligosaccharides (sucrose, lactose, maltose), polysaccharides (starch, cellulose, glycogen); importance. Proteins: Elementary idea of α – amino acids, peptide bond, polypeptides, proteins, primary structure, secondary structure, tertiary structure and quaternary structure (qualitative idea only), denaturation of proteins; enzymes. Vitamins: Classification and functions. Nucleic Acids: DNA and RNA .

Also access the following resources for Class 12 Chapter 14 Biomolecules at BYJU’S:

• Biomolecules Class 12 Notes Chapter 14
• MCQ On Biomolecules
• NCERT Exemplar Class 12 Chemistry Solutions for Chapter 14 – Biomolecules

Chapter 15: Polymers

This chapter includes the concepts like – monomer, polymer and polymerisation. Its classification is based on the source, structure and polymerisation. The types of polymerisation are – addition polymerisation and condensation polymerisation. The important concepts of this chapter are explained clearly in the NCERT textbook. Students who aspire to score good marks in the exams are recommended to learn this chapter thoroughly and have a clear idea of these concepts.

Also access the following resources for Class 12 Chapter 15 Polymers at BYJU’S:

• NCERT Exemplar Class 12 Chemistry Solutions for Chapter 15 – Polymers
• Polymers Class 12 Notes Chapter 15
• Polymers MCQs

Chapter 16: Chemistry in Everyday Life

The sphere of human life is influenced by Chemistry. The principles of Chemistry have benefitted humans in a lot of ways. The concepts which are discussed in this chapter are – drugs and their classification , drug target interaction, the therapeutic action of different classes of drugs, chemicals in food and cleansing agents. Chemistry is a tough subject, and it requires lots of practice to remember the chemical reactions and formulas. So making use of the NCERT Solutions at BYJU’S will provide you with a strong grip on the important topics.

Also access the following resources for Class 12 Chapter 16 Chemistry in Everyday Life at BYJU’S:

• Chemistry in Everyday Life Class 12 Notes Chapter 16
• MCQs on Chemistry in Everyday Life
• Chapter 16 – Chemistry in Everyday Life
• NCERT Exemplar Class 12 Chemistry Solutions for Chapter 16 – Chemistry Solutions In Everyday Life

Each chapter from the NCERT Class 12 textbook contains a lot of concepts which might cause more stress in the students’ mind. So it is necessary to first know the tips and tricks to remember all the concepts efficiently. Students can download  NCERT Class 12 Books  here.

Merits of BYJU’S NCERT Solutions for Class 12 Chemistry

The Class 12 NCERT Solutions for Chemistry provided by BYJU’S feature:

• In-depth explanations for all logical reasoning questions.
• Step-by-step processes for solving numerical value questions.
• Concise and to-the-point answers to all theoretical questions.
• Verified answers from top-class subject experts.
• Free download option is available for Chemistry 12 NCERT Solutions PDF .

Note: CBSE Class 12 Chemistry students can bookmark this page in their browser to easily access NCERT Solutions for Class 12 Chemistry in the future.

CBSE Marking Scheme 2023-24

Class 12 is a crucial stage in the life of a student. To help them grasp all the concepts effectively, the CBSE board has divided the entire course into sections having marks according to the exam pattern. All the chapters are divided based on the marks weightage and importance from the CBSE exams perspective. The purpose of doing this is to provide a quality education for Class 12 students and help them achieve their future goals. It also provides a strong foundation of basic concepts which are important for the exams.

1	Solutions	7
2	Electrochemistry	9
3	Chemical Kinetics	7
4	d-and f-Block Elements	7
5	Coordination Compounds	7
6	Haloalkanes and Haloarenes	6
7	Alcohols, Phenols and Ethers	6
8	Aldehydes, Ketones and Carboxylic Acids	8
9	Amines	6
10	Biomolecules	7

Think NCERT Solutions, Think BYJU’S

BYJU’S NCERT Solutions are considered by many as the best solutions for CBSE students. The accuracy and reliability of the content provided here are unparalleled. Students will be able to complete the NCERT Class 12 Chemistry Syllabus and revise them accordingly to score good marks in the exams. Some key attributes of the NCERT Solutions provided by us are listed below.

• The solutions are drafted by top-notch faculty

At BYJU’S, top-notch faculty design solutions in order to help students perform well in the CBSE exams. They make it easier for the students to understand the concepts and grasp them. The solutions are 100% accurate as they completely follow the CBSE syllabus and guidelines.

• Regular practice helps students answer difficult questions

The solutions at BYJU’S are student-friendly because the faculty make use of simple language to help students understand the concepts. All the difficult questions are explained with many examples so that students do not face any further doubts about the concept. The solutions not only help students to gain marks but will also help them in their higher education.

• Best study material for reference

Students who are not able to answer the questions from the textbook can refer to the NCERT Solutions available at BYJU’S. The solutions are prepared in order to assist students with the various types of questions that would appear in the exam. It helps them to understand the method of approaching questions in the final exam.

After going through our Class 12 Chemistry NCERT Solutions, Also Explore:

• NCERT Exemplar Problems for Class 12 Chemistry
• CBSE Revision Notes for Class 12 Chemistry

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• CBSE Class 12 Syllabus

CBSE Chemistry Practical Syllabus for Class 12 2024: Download PDF

Cbse class 12 chemistry practical syllabus 2023-24: get the complete practical exam syllabus of cbse 12th chemistry. check the list of experiments to be done and the evaluation scheme to be followed in 2023-24. .

CBSE Class 12 Chemistry Practical 2023-24 Evaluation Scheme

Max Marks: 30

CBSE Class 12 Chemistry Practical 2023-24 Syllabus

A. surface chemistry.

(a) Preparation of one lyophilic and one lyophobic sol

Lyophilic sol - starch, egg albumin and gum

Lyophobic sol - aluminium hydroxide, ferric hydroxide, arsenous sulphide.

(b) Dialysis of sol-prepared in (a) above.

B. Chemical Kinetics

(a) Effect of concentration and temperature on the rate of reaction between Sodium Thiosulphate and Hydrochloric acid.

(b) Study of reaction rates of any one of the following:

(i) Reaction of Iodide ion with Hydrogen Peroxide at room temperature using different concentration of Iodide ions.

C. Thermochemistry

Any one of the following experiments

i) Enthalpy of dissolution of Copper Sulphate or Potassium Nitrate.

ii) Enthalpy of neutralization of strong acid (HCI) and strong base (NaOH).

D. Electrochemistry

E. chromatography.

• i) Separation of pigments from extracts of leaves and flowers by paper chromatography and determination of Rf values.
• ii) Separation of constituents present in an inorganic mixture containing two cations only (constituents having large difference in Rf values to be provided).

F. Preparation of Inorganic Compounds

G. preparation of organic compounds.

Preparation of any one of the following compounds

H. Tests for the functional groups present in organic compounds:

I. characteristic tests of carbohydrates, fats and proteins in pure samples and their detection in given foodstuffs., j. determination of concentration/ molarity of kmno4 solution by titrating it against a standard solution of:.

i) Oxalic acid,

ii) Ferrous Ammonium Sulphate

Qualitative analysis

Determination of one cation and one anion in a given salt.

Cation : Pb2+, Cu2+ As3+, Aℓ3+, Fe3+, Mn2+, Zn2+, Cu2+, Ni2+, Ca2+, Sr2+, Ba2+, Mg2+, NH4+

Anions: (CO3)2-, S2-, (SO3)2-, (NO2)-, (SO4)2-, Cℓ-, Br-, I-, PO3-4, (C2O4)2-, CH3COO-,NO3-

Scientific investigations involving laboratory testing and collecting information from other sources.

• Study of the presence of oxalate ions in guava fruit at different stages of ripening.
• Study of quantity of casein present in different samples of milk.
• Preparation of soybean milk and its comparison with the natural milk with respect to curd formation, effect of temperature, etc.
• Study of the effect of Potassium Bisulphate as food preservative under various conditions (temperature, concentration, time, etc.)
• Study of digestion of starch by salivary amylase and effect of pH and temperature on it.
• Comparative study of the rate of fermentation of following materials: wheat flour, gram flour, potato juice, carrot juice, etc.
• Extraction of essential oils present in Saunf (aniseed), Ajwain (carum), Illaichi (cardamom).
• Study of common food adulterants in fat, oil, butter, sugar, turmeric power, chilli powder and pepper.

CBSE Class 12 Chemistry Practical Syllabus 2023-24 PDF Download

Prescribed Books for CBSE Chemistry Practical Class 12: 

• Chemistry Part -I, Class-XII, Published by NCERT.
• Chemistry Part -II, Class-XII, Published by NCERT

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