Class 9 Chemistry Chapter 11 Notes PDF | Environmental Chemistry – Air (2025 Syllabus)

by Sajid | May 15, 2025 | 9th Chemistry 2025, 9th Notes 2025

Download Class 9 Chemistry Chapter 11 Notes on Environmental Chemistry – Air in PDF format. These notes cover key concepts such as the composition of air, atmospheric pollutants, effects of global warming, acid rain, and the role of ozone. Prepared according to the latest SLO-based 2025 syllabus of the Federal Board, these notes are ideal for students looking to build a strong understanding of environmental issues. Clear explanations and structured content make it easier to revise the chapter thoroughly before exams.

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