The ICSE Class 10 Chemistry exam for 2025 focuses on assessing students’ understanding of core concepts, application skills, and problem-solving abilities. This detailed guide explains the marking scheme, topic-wise weightage, and question paper format to help students prepare strategically.
Exam Overview
- Total Marks: 100 (80 for the written exam, 20 for internal assessment)
- Duration: 2 hours
- Question Format: Divided into Sections A and B
Marking Scheme and Question Paper Format
Section A: Short-Answer Questions (40 Marks)
- Compulsory section with 4–6 questions, often divided into sub-parts.
- Focuses on key concepts from the entire syllabus.
- Includes definitions, reasoning, and fundamental numerical problems.
Section B: Long-Answer Questions (40 Marks)
- Students must answer 4 out of 6 questions.
- Questions are application-based, emphasizing numerical problems and reasoning.
Internal Assessment (20 Marks)
- Assesses lab work, practical file preparation, and viva performance.
Topic-Wise Weightage
The ICSE board doesn’t officially specify marks weightage for chapters, but analysis of past papers indicates the following distribution:
| Chapter | Estimated Weightage (Marks) | Remarks |
|---|---|---|
| Periodic Properties | 6–8 | Focus on periodic trends and their applications. |
| Chemical Bonding | 6–8 | Understanding of types of bonds and related concepts. |
| Electrolysis | 8–10 | Includes diagrams, reactions, and applications. |
| Acids, Bases, and Salts | 8–10 | Emphasis on pH, neutralization reactions, and indicators. |
| Mole Concept & Stoichiometry | 10–12 | Includes numerical problems and theoretical applications. |
| Metallurgy | 6–8 | Covers extraction processes and applications. |
| Organic Chemistry | 8–10 | Focus on reactions, nomenclature, and isomerism. |
Key Preparation Tips
- Understand Key Concepts: Develop a clear understanding of fundamental concepts in topics like mole concept and electrolysis.
- Practice Numerical Problems: Topics like stoichiometry and electrolysis often include numerical problems requiring accurate calculations.
- Revise Diagrams and Reactions: Practice drawing and labelling diagrams, such as electrolytic cells.
- Focus on High-Weightage Chapters: Allocate more study time to chapters like Mole Concept, Electrolysis, and Organic Chemistry.
- Use Sample Papers: Solve previous years’ papers and sample questions to familiarize yourself with the format and improve time management.
Final Thoughts
The ICSE Class 10 Chemistry exam pattern for 2025 combines theoretical knowledge with practical applications, encouraging a well-rounded understanding of the subject. By focusing on high-weightage topics and practicing sample questions, students can enhance their preparation and perform well in the examination.
