Class 11 CBSE Chemistry — Important MCQs with Answers

Practise Class 11 Chemistry chapter by chapter, all in one place. Every question follows the latest NCERT syllabus and the chapters your school teaches, in the same order. The Class 11 NCERT books are unchanged for 2026-27 — the new NCF-2023 editions arrive in 2027-28, so this year's syllabus is the one you already have. There are 113 timed quizzes made from 1,130 practice questions across 17 chapters. Easy builds confidence, Medium makes it stick, and Hard stretches you toward competitive-exam level in Class 11 and 12.

To score well in Class 11 Chemistry, focus on reactions, key concepts and careful numericals. Each chapter on XamBaaz has timed Easy, Medium and Hard quizzes, several of each and never the same set twice. Marking is exam-style: +4 for a right answer, −1 for a wrong one, 0 for a skip, the same negative marking as JEE Main, JEE Advanced and NEET UG. Every question has a one-line explanation, so you learn why an answer is right, not just which option.

Start with any chapter. Popular picks include Some Basic Concepts of Chemistry, Structure of Atom, Classification of Elements and Periodicity, right through to Hydrocarbons. Go chapter by chapter and watch your accuracy rise. Attempt every chapter and the Class 11 Chemistry Subject Mastery Test unlocks — a 30-question, 60-minute mock on the whole syllabus, set like a board paper.

Practice is free to try, with no credit card and no app to install. Sign in with Google and your progress, streaks and XP save on every device. Revise Class 11 Chemistry on your phone between classes and pick up where you left off.

Each chapter opens with free Key Concepts revision notes — a quick overview, the core concepts defined and key formulas — so you can revise Class 11 Chemistry before you practise. Open any chapter below to read its notes and try sample questions.