Ch-12: Environmental Chemistry-Water
MCQs - Class 9 Chemistry Federal Board
In Unit 12, Environmental Chemistry: Water, Class 9 Federal Board students explore the properties of water and how domestic water supplies are treated before use. The chapter explains how water becomes polluted, introduces waterborne diseases, and discusses ways to reduce the harmful effects of water pollution.
Students also examine water scarcity in Pakistan and consider factors that affect the availability of safe water.
The topic of fertilizers connects chemical use to water quality and pollution. Use the chapter’s MCQs and short-question answers to revise water properties, treatment, pollution, health effects, and possible solutions.Class 9 Chemistry Federal Board, FBISE Chemistry Unit 12, Environmental Chemistry Water notes, properties of water, domestic water treatment, water pollution, waterborne diseases, effects of water pollution, water pollution solutions, water scarcity in Pakistan, fertilizers and water quality, Chemistry MCQs, short question answers
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- Ch-01: Nature of Science in Chemistry
- Ch-02: Matter
- Ch-03: Atomic Structure
- Ch-04: Periodic Table and Periodicity of Properties
- Ch-05: Chemical Bonding
- Ch-06: Stoichiometery
- Ch-07: Electrochemistry
- Ch-08: Energetics
- Ch-09: Chemical Equilibrium
- Ch-10: Acids, Bases and Salts
- Ch-11: Environmental Chemistry-Air
- Ch-12: Environmental Chemistry-Water
- Ch-13: Organic Chemistry
- Ch-14: Hydrocarbons
- Ch-15: Biochemistry
- Ch-16: Empirical Data Collection and Analysis
- Ch-17: Separation Techniques
- Ch-18: Qualitative Analysis
- Ch-19: Chromatography
