CBSE Class 12 Chemistry Sample Papers 2025-26 with Solution & Marking Scheme PDF Here

The newly updated CBSE Class 12 Chemistry Sample Papers for the academic session 2025-26 have been released by the Central Board of Secondary Education at its official website, making it convenient for students to download and practice. As the sample papers have been updated, all class 12th science stream students with Chemistry as their major subject can now access the SQP, along with the Solution and marking scheme PDF, from the official portal.

Along with the sample paper, the board has also provided a detailed marking scheme with the sample paper that will help the students understand how the exam will be structured and how to present their answers. Every Class 12 student who will be participating in the Chemistry board exam should check the official CBSE website — www.cbseacademic.nic.in — to find these documents. Solving these sample papers will not only help give you an idea of the types of questions that you will be encountering, but will also provide confidence and time management skills. As an additional service to support preparation, we have also provided the location of the past few years’ sample papers attached to this page.

CBSE Class 12 Chemistry Sample Papers 2025-26

CBSE Class 12 Chemistry Sample Papers are one of the best resources for board exam preparation. They give students an idea of the latest exam pattern, marking scheme, and what types of questions may be asked. Solving sample papers allows students to pay attention to time management, recognize their weak areas, and build the concepts. Practice using sample papers also helps to develop writing skills and accuracy, both critical for achieving a high score. However, the most important part of solving sample papers is that it builds confidence by providing an experience like an exam. If you want to remove the stress around exams and give your preparation a big boost, then practicing Chemistry sample papers needs to be a priority. Chemistry sample papers can make the difference between an average score and a top score.

CBSE Class 12th Chemistry Sample Paper 2025-26 with Solutions PDF Download Link

The Class 12 Chemistry board exam follows a clear exam format that helps students know what to expect. As per the latest exam format, the question paper will be divided into five different sections—A, B, C, D, and E—with 33 compulsory questions, out of which around 33% have internal choices. Half of the total marks are reserved for competency-based questions that test practical understanding and application skills. This structure guides students to prepare effectively, manage time better, and focus on understanding concepts deeply instead of relying only on memorization.

Class 12 Chemistry CBSE Board Exam Pattern 2026

The board exam format helps students understand what to expect in the paper, including the types of questions, like objective, short, and long answers, along with the time limit and overall structure. The 12th class Chemistry paper is split into five sections: A, B, C, D, and E, with a total of 39 compulsory questions. However, about 33% of the questions will have internal choices. Also, 50% of the marks are for competency-based questions, focusing on practical understanding and skills. This clear structure makes it easier for students to prepare and highlights the importance of learning concepts deeply, not just memorizing facts.

• Section A will consist of 16 simple/complex MCQs and Assertion-Reasoning type questions carrying 1 mark each.
• Section B will be a set of 5 Short Answer (SA) type questions carrying 02 marks each.
• Section C would have 7 Short Answer (SA) type questions carrying 03 marks each.
• Section D would have 2 source-based/case-based/passage-based/integrated units of assessment (04 marks each) with sub-parts of the values of 1/2/3 marks.
• Section E will include 3 Long Answer (LA) type questions carrying 05 marks each.

Previous Year Sample Question Papers for CBSE Class 12th Chemistry

Students needing past year’s Class 12 Chemistry board exam question papers with solutions can download the previous years’ chemistry question papers with solutions from the table provided below. Practicing with the past papers will allow you to finish your Chemistry preparation on time. You will be able to see the questions that were asked each year, you can have an idea of marks obtained for the relevant question and gauge how prepared you are. Completing sample papers from previous years will confirm and reinforce your concepts, as well as boost your confidence before writing your Chemistry board exam.

CBSE Class 12th Chemistry Sample Questions With Answers

Below we have provided a few sample questions for the CBSE Class 12th Chemistry exam along with their answers, that might help students in their preparation.

Section-A

Questions 1 to 16 are multiple-choice questions. Only one of the choices is correct. Select and write the correct choice as well as the answer to these questions.

Q1 . Which of the following reactions will lead to the formation of ethyl methyl ketone:

A. heating CH₃CH(CH₃)CH₂OH with acidified Na₂Cr₂O₇
B. passing CH₃C(OH) CH₃ over heated copper
C. ozonolysis of CH₃CH₂C(CH₃)=CHCH₃
D. acetylene on reaction with HgSO₄/H₂SO₄

Answer: C. ozonolysis of CH₃CH₂C(CH₃)=CHCH₃

Q2. The organic compounds A, B, and C are amines having equivalent molecular weight. A and B on reaction with benzene sulphonyl chloride give a white precipitate; however white precipitate obtained from
Compound B remains insoluble in NaOH.

The variation in the boiling point of A, B, and C can be seen as :
A. A> B>C
B. B>A>C
C. A=B > C
D. C>B>A

Answer: A. A> B>C

Q3. 70 gm solute is dissolved in 700 gm solvent to prepare a solution having a density of 1.5 g/ml. The ratio of its molality and molarity will be:

A. 0.77
B. 1.4
C. 0.73
D. 1.3

Answer: C. 0.73

Q4. Which of the following is laevorotatory in nature :

A. alpha D – glucose
B. beta -D- glucose
C. beta-D- fructose
D. sucrose

Answer: C. beta-D-fructose

Q5. The name inner transition metals is often used to refer to the

A. lanthanoids
B. actinoids
C. both lanthanoids and actinoids
D. d block elements

Answer: C. both lanthanoids and actinoids

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