ICSE Chemistry High Weightage Chapters 2026

Rini Maria

Updated On: December 15, 2025 08:10 AM

The ICSE Chemistry High Weightage Chapters 2026 help students plan smarter by showing the most important topics from each chapter to cover and accordingly prepare for the exams. 
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ICSE Chemistry High Weightage Chapters 2026ICSE Chemistry High Weightage Chapters 2026

ICSE Chemistry High Weightage Chapters 2026: The structured exam pattern for the ICSE Class 10 Chemistry 2026 Board exam has been released by the Council for the Indian School Certificate Examinations (CISCE), which is essential for students hoping to get the highest possible mark. The 100 marks for the topic are split between an 80-mark Theory Paper (External Assessment) and a 20-mark Internal Assessment/Practical Work. As per ICSE Chemistry High Weightage Chapters 2026, to assist students in planning their preparation, this crucial resource describes the entire exam design, the official grading method, and the topic-wise weighting. To ensure excellent performance on their final exams, they should focus on high-weightage units such as Analytical Chemistry, Organic Chemistry, Chemical Bonding, Periodic Properties, Acids/Bases/Salts, and Metallurgy.

ICSE Chemistry High Weightage Chapters 2026

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The chapter-wise weightage for ICSE Chemistry 2026 is provided here:
Chapter Name Important Topics to Cover
Periodic Properties and variations of Properties
  • Trends
  • Metallic Character
  • Electronegativity
  • Electron Affinity
Chemical Bonding
  • Properties of Iconic and Covalent Compounds
  • Lewis Dot Str.
  • Conditions of Bond Formation
Study of Acids, Bases and Salts
  • Chemical Properties of Acids and Bases
  • Preparation of Insoluble Salts
  • Indicators
Analytical Chemistry
  • Colour of Caton and Anion
  • Reaction with NH 4 OH and NOOH
  • Reaction of Amphoteric Oxides
Mole Concept and Stoichiometry
  • RAM, RMM, and VD
  • Empirical Formula
  • Percentage Composition
Electrolysis
  • Type of Electrolyte, Important Terms
  • Electrolytic Refining
  • Electroplating
Metallurgy
  • Roasting, Calcination
  • Extraction of Aluminium
  • Halls Process, Bayer's Process
Study of Compounds
  • Habers Process
  • Ostwald Process
  • Contact Process
  • Funtain Experiment
  • Uses and Tests for Different Compounds
Organic Chemistry
  • IUPAC Nomenclature
  • Isomerism
  • Homologous Series
  • Functional Groups
  • Addition Reaction
  • Oxidation of Alcohol, Hydrocarbon
  • Esterification Reaction

ICSE Weightage for Other Subjects |
Name of the Subject Link
Mathematics ICSE Mathematics Marks Distribution 2026 Chapter-Wise
History & Civics ICSE History and Civics Marks Distribution 2026 Chapter-Wise
Physics ICSE Physics Marks Distribution 2026 Chapter-Wise

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