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CBSE Class 12 Chemistry — Important Questions (Board Exams 2027)

CBSE Class 12 Chemistry important questions, chapter by chapter — 852 questions with answers across 10 chapters. For the board exams 2027.

How to use this page

Each chapter below has important questions with answers for the CBSE board exams 2027. Write your answers out before checking — reading alone doesn't build exam speed.

Chapter-wise Important Questions — 10 Chapters

1

Solutions

147 questions
multiple correct

Which of the following are colligative properties?

multiple choice

Which of the following solutions will have the highest boiling point?

multiple choice

An ideal solution obeys Raoult's law over:

multiple correct

Which of the following are characteristics of the C-X bond in haloalkanes?

multiple correct

Which of the following factors affect the reactivity of haloalkanes in nucleophilic substitution?

multiple choice

Grignard reagents are prepared by reacting alkyl halides with:

3

Electrochemistry

91 questions
multiple correct

Which of the following are characteristics of electrolytic conductivity? (Select all correct answers)

multiple correct

Which of the following factors affect the conductivity of an electrolytic solution? (Select all correct answers)

multiple choice

The unit of molar conductivity is:

7 more chapters below

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Frequently Asked Questions

Where can I find CBSE Class 12 Chemistry Important Questions?

This page has important questions for 10 chapters of CBSE Class 12 Chemistry for the board exams 2027. Each chapter links to its own page with the full set.

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Start with the chapters you find hardest and the ones your teacher flags as high-weightage, then cover the rest. Each chapter page lists its important questions with answers.

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10 chapters

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