ISC Class 12 Chemistry Weightage 2025: Unit and chapter-wise marks distribution
Across all units and chapters, the ISC Class 12 Chemistry Weightage 2025 for the CISCE 2025 board exam theory paper is provided here. The chemistry exam will be held on February 24.
ISC Class 12 Chemistry Weightage 2025: The distribution of marks for the Class 12 Chemistry Weightage per unit and chapter has been released by the Council for the Indian School Certificate Examinations (CISCE) for the 2024–2025 school year. Students and teachers can now analyze the unit and chapter-wise weighting to better plan their studies and concentrate on regions with greater mark allocation. The comprehensive and thorough ISC Class 12th Chemistry Weightage 2025 is available here for applicants who have chosen Chemistry as one of their core subjects.
ISC Class 12 Chemistry Weightage 2025 Chapter-Wise
The total marks distribution for all units and their respective chapters is as follows:
| Unit Name | Chapter Name | Total Weightage |
| Unit 1: Physical Chemistry | Solutions | 25 marks |
| Electrochemistry | ||
| Chemical Kinetics | ||
| Unit 2: Inorganic Chemistry | d -and f -Block Elements | 14 marks |
| Coordination Compounds | ||
| Unit 3: Organic Chemistry | Haloalkanes and Haloarenes | 31 marks |
| Alcohols, Phenols and Ethers | ||
| Aldehydes, Ketones and Carboxylic Acids | ||
| Organic Compounds containing Nitrogen | ||
| Biomolecules | ||
| Total | 70 marks | |
ISC Class 12 Chemistry 2025 Practical Paper Evaluation Criteria
The detailed criteria for the ISC Class 12 Chemistry practical exam 2025 are listed here for reference of the students:
| Particulars | Details |
| Experiments to be performed |
|
| Total Marks | 15 Marks |
| Question Pattern |
|
ISC Class 12 Chemistry 2025 Project Work Evaluation Criteria
Check the evaluation criteria for ISC Class 12 Chemistry, in the table below:
| Assessment Type | Criteria to be Accessed | Marks |
Project Work |
| 10 marks |
Practical File | Examiner will assess the candidate based on the practical file maintained by them | 5 marks |
| Total Marks | 15 Marks | |
ISC Class 12 Subject-Wise Weightage 2025 |
| Subject | Unit and Chapter-Wise Marks Distribution Links |
| Biology | ISC Class 12 Biology Weightage 2025 |
| Physics | ISC Class 12 Physics Weightage 2025 |
| Mathematics | ISC Class 12 Mathematics Weightage 2025 |
| Accounts | ISC Class 12 Accounts Weightage 2025 |
| Business Studies | ISC Class 12 Business Studies Weightage 2025 |
| Economics | ISC Class 12 Economics Weightage 2025 |
| English Language | ISC Class 12 English Language Weightage 2025 |
| English Literature | ISC Class 12 English Literature Weightage 2025 |
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