Chapter 11 Environmental Chemistry-Air | Air Pollutants | Class 9 Chemistry Federal Board Book 2025
Автор: Federal Ka Manjan
Загружено: 2026-01-01
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11.2 Air Pollutants | Class 9 Chemistry Unit 11 Environmental Chemistry-Air | Chapter 11 Environmental Chemistry-Air | Class 9 Chemistry Federal Board 2025 New Book. Unit 11. NBF. Chapter 11.
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Class 9 chemistry Federal Board
Class 9 chemistry National Book Foundation.
Class 9 chemistry chapter 11
Introduction
Environmental Chemistry-Air
11.1 Composition of Atmosphere
11.2 Air Pollutants
11.2.1 Sulphur Oxides
11.2.2 Carbon Dioxide
11.2.3 Carbon Monoxide
11.2.4 Methane
11.2.5 Ground Level Ozone
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