The "ardhavarshik" (half-yearly/quarterly) question paper you are asking for is likely in reference to the Tamil Nadu (TN) Class 11 Quarterly Chemistry Examination 2025-26.

The TN Class 11 Quarterly Chemistry exam was conducted on September 19, 2025.

While the Careers360 QnA page redirects your query, the actual question paper and its answer key were released on the dedicated TN state board section of the website for students to download.

You can download the Tamil Nadu Class 11 Quarterly Chemistry Question Paper 2025-26 PDF (for practice and review) and its Answer Key from the corresponding section on this link: https://www.careers360.com/question-11th-quarterly-exam-chemistry-answer-key-pdf