ISC 2025 Chemistry Previous Year Question Paper: Detailed Blue Print

ISC 2025 Chemistry previous year question paper has been provided here. Check the detailed blueprint of the question paper and chalk out the best study plans!

Sudeshna Chakrabarti

Updated on - Mar 5, 2025 | 11:06:00 AM

ISC 2025 Chemistry Previous Year Question Paper is provided here (Image Credits: pexels.com).

ISC 2025 Chemistry Previous Year Question Paper: CISCE has released the past year question paper to help students understand paper patterns. Based on the paper analysis, some topics were found to be repetitive hence students are advised to practice the previous year papers and gain a competitive edge. In Chemistry paper, students have to answer questions from three core units including organic chemistry, inorganic chemistry, and physical chemistry.

ISC Chemistry theory paper will carry a total of 70 marks and the remaining 30 marks will be allotted to the practical exam. Check here ISC Chemistry previous year question paper and detailed blueprint of the question paper so candidates can enhance their chances of securing competitive scores.

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ISC 2025 Chemistry Previous Year Question Paper: Download PDFs

Download previous year question papers given below to prepare effectively for ISC 2025 Chemistry exam.

Year	ISC Chemistry Question Paper PDFs
2024	Download Here
2023	Download Here

ISC 2025 Chemistry Previous Year Question Paper: Unit-wise Weighatage

Candidates must get a detailed idea regarding the mark distribution among the three core units in chemistry. Based on the previous year quetsion papers, we have provided ISC Chemistry 2025 unit-wise weightage.

Units	Chapter	Weightage
Organic Chemistry	Haloalkalenes and Haloarnes	31 marks
	Alcohols, Phenols and Ethers
	Biomolecules
	Organic compounds containing Nitrogen
	Aldehydes, Ketones, and Carboxylic Acids
Inorganic Chemistry	d and f block elements	14 marks
Inorganic Chemistry	Coordination compounds	14 marks
Physical Chemistry	Solutions	25 marks
	Electrochemistry
	Chemical Kinetics