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CBSE Class 12 Chemistry Sample Question Paper-3 - Mock Paper

Last updated date: 13th Jul 2024
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How to Download Important CBSE Class 12 Chemistry Sample Question Paper 3 Free PDF

Download CBSE Sample Question paper-3 (2024-25) for class 12 Chemistry on and increase your chances to score higher marks in Board Exams. CBSE Class 12 Chemistry mock papers are prepared by expert teachers.

Class 12 Chemistry CBSE sample papers serve as a great resource for students who are preparing for their board examinations. Chemistry is a subject that encompasses a variety of equations, chemical reactions and processes. As it is quite difficult to learn through every corner of a textbook in Chemistry, attempting the CBSE Class 12 Sample Papers for Chemistry 2024-25 will facilitate exam preparation by providing a better understanding of exam patterns. Here is a collection of CBSE NCERT sample papers for Class 12 Chemistry, which you can download for free. These Sample Papers cover all areas of Chemistry and have been designed according to the latest CBSE syllabus. 

Competitive Exams after 12th Science

CBSE Class 12 Chemistry Sample Papers for Free PDF Online

Here are the links to free PDFs of Chemistry Class 12 year-wise Sample Papers 2024-25 and marking schemes released by the board as per the latest pattern. Download them today!

Syllabus for CBSE Class 12 Chemistry (2024- 25) and Chapter-Wise Weightage for the Same:


Unit Name



Solid State









Chemical Kinetics



Surface Chemistry



General Principles and Processes of Isolation of Elements



p- Block Elements



d- and f- Block Elements



Coordination Compounds



Haloalkanes and Haloarenes



Alcohols, Phenols and Ethers



Aldehydes, Ketones and Carboxylic Acids



Organic Compounds containing Nitrogen









Chemistry in Everyday Life




CBSE Class 12 Chemistry Exam Pattern

For acing the CBSE 12th exam, students must understand the CBSE exam pattern, marking scheme and syllabus. Checkout the section below to learn more about the CBSE exam pattern for chemistry.

  1. All of the questions are compulsory. 

  2. Question Numbers 1 to 5 are very short answers, carrying 1 mark each. 

  3. Question Numbers 6 to 10 are short answers, carrying 2 marks each. 

  4. Question Numbers 11 to 22 are short answers, carrying 3 marks each.

  5. Question Numbers 24 to 26 have long answers and carry 5 points each

Benefits of Solving CBSE Class 12 Chemistry Sample Papers

  • Chemistry is among the toughest subjects in class 12 because of the huge syllabus, thus preparing each chapter in depth is not possible, especially when you have started the preparation late. This is where sample papers will help you get a better understanding of every chapter. 

  • By solving the sample questions, you will get an idea of the type of questions that are most expected in the exam. This way you will be able to know more about the exam pattern.

  • Chemistry class-12 is full of numericals, chemicals and their reactions, making it the most challenging subject to score. Sample papers consist of various numerical questions that will help you revise and learn the formulas by heart. 

  • Solving the CBSE Sample Papers for Class 12 helps you become better at time management. This helps manage your time during the examination day.

  • You can develop a better strategy for tackling the various sections of the exam after you practice these sample papers, based on the strong and weak concepts of each area. 

  • If you solve the sample CBSE Sample Question Papers, it will provide you with an opportunity to evaluate yourself. You will know straightaway what your current level of preparation is. You will then be able to work on them accordingly. 

  • Sample papers save you the trouble of going through entire textbook pages looking for important questions. The questions included in sample papers have either appeared in past years' exam papers or form part of the most expected questions, helping you score well.

Why Choose Vedantu for Sample Papers?

  • Here are some reasons why you should go for Vedantu’s sample papers for practising for Class 12 board exams. 

  • Vedantu’s sample papers with solutions promise accuracy as these are curated by expert teachers.

  • We provide easy access to sample papers by presenting them in free PDF downloadable format.

  • All solutions are written in simple language for easy understanding.

  • Our extensive collection of sample papers covers all the topics covered in the syllabus.

  • They are designed as per the latest CBSE guidelines only.

If you found Vedantu’s CBSE Class 12 Chemistry Sample Question Paper with solutions useful for exam preparation, then download the PDF today for convenient access. You should also check out our other study resources for board exams like revision notes, important questions, chapter-wise formulas and previous years’ question papers.

FAQs on CBSE Class 12 Chemistry Sample Question Paper-3 - Mock Paper

1. What is the right strategy to solve CBSE sample papers for Class 12th Chemistry?

One must follow certain steps before solving sample papers. 

  1. First, ensure that your syllabus is complete and that you have completed your final revision. Make sure you complete your syllabus from the NCERT book only, go through the chapter thoroughly before attempting sample papers. 

  2. Always attempt the easy questions first and then approach the tough ones. It is normal for students to think that they will leave the easy questions for the last, however it might be possible that you didn’t get much time in the end or you forget to answer those questions. 

  3. Do not jump to the conclusion before attempting the question by yourself. Make sure you write down each and every question in your notebook.

  4. Take out the exact 3 hours to solve the sample papers and attempt it in the exact way you will be attempting your exam. Consider it as your examination day only and you will be able to practice in a better way.

  5. Do not do any mind calculations, solve the answers on a sheet and pen down the questions you are unable to answer and work hard on those topics.

  6. Check your answers from the NCERT book or make it checked from your subject teacher.

2. How to prepare for CBSE Class 12 Chemistry 2024-25 board exam?

There are some great tips below to help CBSE Class 12th Chemistry students prepare well for this subject. Chemistry is one of the highest scoring subjects, so students can do well in this subject with smart study.

  1. Set a study plan for your exams and stick to it. You should also spend more time studying the topics you need more clarity on.

  2. Sample CBSE Class 12 Chemistry papers 2024-25 will aid the students in working on their weak areas.

  3.  Students should refer to the CBSE curriculum for Class 12 and prepare according to the CBSE marking scheme.

  4. It is important for students to check the important topics and prepare according to their weightage, CBSE sample papers for Class 12 Chemistry with Solution can help in this regard.

  5. In addition to checking the CBSE sample papers for Class 12, students can also consult some reference books that can help them practice questions.

  6. It is essential to make proper notes and to revise regularly. This will help give the preparation a final touch and feed the information in the brain forever.

  7. To score high in the CBSE 12th result 2024-25, you must understand the fundamental concepts behind every reaction. Do not simply memorize the chapters; understand the logic behind each theory.

3. Are the sample papers provided by Vedantu sufficient for CBSE term Exam 2024-25?

Chemistry sample papers are provided along with solutions for the final exam. However, a good grasp over the subject is achieved by solving more sample papers. For this, students can consult the solved and unsolved Mock Sample Papers provided on Vedantu’s website. However, we also advise students not to completely rely on sample papers and always prepare the syllabus from the NCERT textbook before attempting sample papers. You will be able to solve the sample papers only when you have a better understanding of the syllabus. You can also avail all the high-quality reading material by downloading the mobile application of Vedantu available on the play store. 

4. Why do students generally face difficulty in Chemistry Class-12?

Most students fail to perform well in this subject because they think that Chemistry as a subject is difficult to understand. If one wants to perform well in this subject then they should get over their fear and the mental block as early as possible. The Science stream subjects like Chemistry and Biology are quite easy if you study those subjects with full concentration and consistency. Chemistry must be read regularly or you will not do well on the board examination. 

5. Why choose Vedantu for class 12 Chemistry sample papers?

With Vedantu, students receive all the important formulas in one place and they can prepare their sticky notes based on this. Students must use these formulas every day in order to be able to answer questions accurately and quickly. You can download the sample papers in PDF format for free and can access them in offline mode. In addition, they are prepared by our subject experts hence they are error-free and well explained. Vedantu also offers solutions in PDF format and worksheets for Chemistry Class 12th.