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CBSE Class 11 Chemistry — Revision Notes

CBSE Class 11 Chemistry revision notes, chapter by chapter across 9 chapters. Follows the CBSE syllabus. Starts with Some Basic Concepts of Chemistry.

How to Revise Effectively

  • Active recall: cover the notes, try to recall the key points, then check.
  • Spaced repetition: revise each chapter again after a day, then after a few days, then after a week or two.
  • Write, don't just read: writing key points and formulas out by hand helps them stick.
  • Teach someone: explaining an idea to a friend is a good test of whether you understand it.

Chapter-Wise Revision Notes — 9 Chapters

  • 1. Nature of Matter and Its Classification
  • 2. Measurement, Units, and SI System
  • 3. Scientific Notation, Significant Figures, Precision, and Accuracy
  • 4. Laws of Chemical Combination
Matter is anything that has massMatter is classified as mixturesAn element contains only one kindPhysical properties such as colourThe metric system originated in France
Read the Some Basic Concepts of Chemistry notes
  • Core ideas and definitions
  • Oxidation number rules and special cases
  • Reaction types in redox chemistry
  • Key examples and comparative reactivity
Oxidation means addition of oxygenOxidation is loss of electronsOxidation number is a bookkeeping numberRedox reactions are classified as combinationWhen a more reactive metal such
Read the Redox Reactions notes
  • 6. Quantum Numbers, Orbitals, and Electronic Configuration
The electron is a negatively chargedThomson proposed that the atomRutherford’s alphaA revolving charged electron should loseElectromagnetic waves travel in vacuum at
Read the Structure of Atom notes

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Revision notes with diagrams and examples for all 9 chapters in Super Tutor.

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Frequently Asked Questions

Where can I find CBSE Class 11 Chemistry Revision Notes?

This page has revision notes for 9 chapters of CBSE Class 11 Chemistry for the 2026-27 session. 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.

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9 chapters

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CBSE Class 11

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