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CBSE Class 12 Chemistry Question Papers & Mock Tests

Rehearse the board paper section by section, from 16 one-mark MCQs to case-based and 5-mark long answers.

CBSE Class 12 Chemistry (subject code 043) is a 70-mark board theory paper of 3 hours, with 30 marks of practical assessment. Recent sample papers set 33 questions in five sections: 16 one-mark MCQs and assertion-reason items in Section A, 5 very short answers of 2 marks in Section B, 7 short answers of 3 marks in Section C, 2 case-based questions of 4 marks in Section D and 3 long answers of 5 marks in Section E. Teachers use MegaExams to run the objective Section A as an auto-graded weekly test and to set full pre-board papers on the same structure.

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Conducted by

CBSE (Central Board of Secondary Education)

Paper

33 questions in Sections A to E, 3 hours

Section A

16 one-mark MCQs and assertion-reason questions

Marking

70 marks theory + 30 marks practical

CBSE Class 12 Chemistry subjects & question papers

Physical Chemistry

Solutions (7 marks), electrochemistry (9) and chemical kinetics (7): colligative properties, Nernst equation, conductance and rate laws, with numericals in every section.

Inorganic Chemistry

The d and f block elements (7 marks) and coordination compounds (7 marks): electronic configuration, lanthanoid contraction, IUPAC naming, isomerism and crystal field theory.

Organic Chemistry

Haloalkanes and haloarenes, alcohols, phenols and ethers, aldehydes, ketones and carboxylic acids, amines and biomolecules, with name reactions and conversions.

Free CBSE Class 12 Chemistry practice

Questions your students can work through today, alongside the tests you set.

Practice questions with answers

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Why teachers use MegaExams for CBSE Class 12 Chemistry

Case-based questions on demand

Paste a passage or data table and generate Section D style case-based questions with sub-parts and a marking key.

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Section A scored on submit

The 16 MCQs and assertion-reason items mark themselves, while 2, 3 and 5-mark answers can be scored by you in the same paper.

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Unit-wise board readiness

See which of the ten units each student is losing marks on, such as electrochemistry or name reactions, before the board exam.

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A pre-board series

Group unit tests and two or three full pre-boards into one series, with a parent-shareable scorecard after each paper.

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Frequently asked questions

33 questions in five sections for 70 marks in 3 hours: Section A has 16 one-mark questions, B has 5 two-mark, C has 7 three-mark, D has 2 four-mark case-based and E has 3 five-mark questions.
Electrochemistry carries 9 marks. Aldehydes, ketones and carboxylic acids carry 8, and most other units carry 6 or 7.
No. Surface chemistry, solid state and the p-block elements were removed in the rationalised Class 12 syllabus, so leave them out of board practice.
Yes. Long and short answers are collected as typed responses for you to mark, and the marks are added to the auto-graded Section A score.
Yes. Teachers can run as many Class 12 Chemistry tests and pre-boards as they need, free.

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