Hello
Chemistry basically is about physical, Organic, and Inorganic chemistry. It consists of different units based on these three. Practicing is a must and it will help you a lot, so I am attaching a link which will help you with question papers and answer keys.
https://school.careers360.com/boards/dge-tamil-nadu/tamil-nadu-class-11-quarterly-chemistry-question-paper-2025-26
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