Tag: Chemistry for Grade 9
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Chapter 11: Hydrocarbons Exercise- 9th Class (Punjab & Lahore Board)
Find detailed solutions for Chapter 11 “Hydrocarbons” from the 9th Class Chemistry syllabus. Designed for Punjab Boards and Lahore Board, this guide covers alkanes, alkenes, alkynes, and their applications with...
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Chapter 10: Environmental Chemistry – 9th Class New Syllabus (Punjab Boards & Lahore Board)
Explore Chapter 10 “Environmental Chemistry” from the 9th Class new syllabus for Punjab Boards and Lahore Board. Understand air pollution, greenhouse effect, acid rain, and strategies to protect the environment...
