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Kerala Board Class 12 Chemistry — Quick Revision Notes

Quick revision notes for Kerala Board Class 12 Chemistry. Key formulas, concepts, and definitions for last-minute board exam preparation.

Quick Summary

These revision notes cover the key concepts, formulas, and definitions for Kerala Board Class 12 Chemistry. Use them for last-minute revision before your board exam.

How to Revise Effectively

  • Active recall: Cover the notes, try to recall key points, then check. This is 3× more effective than passive reading.
  • Spaced repetition: Revise each chapter at increasing intervals — Day 1, Day 3, Day 7, Day 14.
  • Write, don't just read: Writing formulas and key points by hand improves retention significantly.
  • Teach someone: Explaining a concept to a friend or family member is the best test of understanding.

Chapter-Wise Revision Notes — 41 Chapters

Revise each chapter below. Focus on formulas, definitions, and diagrams. Complete all 41 chapters for thorough preparation.

1

Mole Concept

Topics covered

  • SI Units and Measurement Fundamentals
  • The Mole - Definition and Significance
  • Avogadro's Constant and Its Applications
  • Atomic Mass Scale and Relative Masses
The International System of Units (SI)One mole is the amountNA = 61 amu = 1/12th massMass of one mole of substance
2

Occurance and Extraction of Metals

Topics covered

  • 1. Occurrence of Metals
  • 2. General Principles of Metal Extraction
  • 3. Concentration of Ores
  • 4. Calcination and Roasting
A mineral is any naturally occurringNoble metals (AuGravity separation removes lighter impurities usingCalcination involves heating ore in limitedCarbon reduction works for less reactive
3

Environmental Concerns

Topics covered

  • Components and Segments of Environment
  • Environmental Threats and Chemical Reactions
  • Types and Classification of Pollutants
  • Sources and Effects of Pollutants
Environment consists of biotic components (livingPollution occurs when harmful substances exceedPollutants are classified asKey air pollutants includeWater pollutants include toxic metals (Pb

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Frequently Asked Questions

Where can I find Kerala Board Class 12 Chemistry Revision Notes?

This page provides revision notes for Kerala Board Class 12 Chemistry for the 2026 board exam. For chapter-by-chapter study help including summaries, quizzes, and flashcards, try Super Tutor.

Chemistry is one of the scoring subjects in Kerala Board Class 12 if prepared well. Focus on understanding concepts, practising problems regularly, and revising key formulas. Most students who follow a structured study plan score above 80%.

Start by understanding the complete syllabus. Then focus on important questions from each chapter. Use revision notes for quick review before exams. Follow a study plan that covers all chapters with dedicated revision time.

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41 chapters available

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