The Council for the Indian School Certificate Examinations (CISCE) has published the structured exam format for the ICSE Class 10 Chemistry 2026 Board Exam, which is vital for students who wish to optimize their scores. The overall evaluation consists of an 80-mark Theory Paper (External Assessment) and a 20-mark Internal Assessment/Practical Work, culminating in a total of 100 marks for the subject. This important guide details the complete paper structure, the official marking criteria, and the weightage of topics to assist students in planning their study approach. By concentrating on high-weightage areas such as Analytical Chemistry, Organic Chemistry, and Chemical Bonding, and by mastering the combination of MCQs, numerical problems, balanced equations, and reasoning-based questions present in the 2-hour exam, students can effectively manage the entire syllabus (Periodic Properties, Acids/Bases/Salts, Metallurgy, Organic Chemistry, etc.) and achieve excellent results in their final assessments.
ICSE Class 10 Chemistry Exam Pattern 2026: Key Highlights
| Particulars | Details |
| Conducting Body | Council for the Indian School Certificate Examinations (CISCE) |
| Exam Name | ICSE Class 10 Chemistry Exam 2025–26 |
| Class | 10 |
| Academic Year | 2025-26 |
| Subject | Chemistry |
| Total Marks | 100 Marks |
| External Exam Weightage | 80 Marks |
| Internal Assessment Weightage | 20 Marks |
| Exam Duration | 2 Hours |
| Sections | Three Sections (A,B,C) |
| Types of Questions | MCQs, Short Answers (Complusory), and Long Answers (Choice Based) |
| Mode of Exam | Offline (Pen and Paper) |
| Medium of Exam | Hindi, English |
ICSE Class 10 Chemistry Exam Pattern 2025-26
The ICSE Class 10 Chemistry Exam Pattern for 2025–26 provides students with insight into the distribution of marks between external and internal assessments. Understanding this pattern enables students to organize their study strategies efficiently and achieve higher scores in their exams.
Question Paper Pattern
Students can check the given table for ICSE Class 10 Chemistry Exam Pattern 2025-26 question paper pattern:
| Question Number/ Section | Question Type | Weightage per Question | Marks |
| Question 1 | Multiple-choice questions (MCQs) | 1 mark, 15 Qs | 15 Marks |
| Question 2 | Short Answer Type Question | 5 marks, 5 Qs | 25 Marks |
| Question 3 | Mix of Short and Long Answer Type questions (Any 4 questions to be attempted) | 10 marks, 4 Qs | 40 Marks |
| Total | 80 Marks |
Chapter-wise Weightage 2026:
Check the table for detailed the ICSE Class 10 Chemistry Chapter-wise Weightage 2025-26:
| Chapter Name | Weightage |
| Chapter 1: Periodic Properties and variations of Properties – Physical and Chemical | 10 marks |
| Chapter 2: Chemical Bonding | 8 marks |
| Chapter 3: Study of Acids, Bases and Salts | 12 marks |
| Chapter 4: Analytical Chemistry | 5 marks |
| Chapter 5: Mole Concept and Stoichiometry | 12 marks |
| Chapter 6: Electrolysis | 8 marks |
| Chapter 7: Metallurgy | 10 marks |
| Chapter 8: Study of Compounds | 20 marks |
| Chapter 9: Organic Chemistry | 15 marks |
