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Environmental Chemistry PPT Chemistry Class 12

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FAQs on Environmental Chemistry PPT Chemistry Class 12

1. What is environmental chemistry?
Ans. Environmental chemistry is the study of chemical processes occurring in the environment, including the air, water, and soil. It involves understanding the sources, reactions, transport, effects, and fates of chemical species in natural and polluted environments.
2. How does environmental chemistry relate to JEE?
Ans. Environmental chemistry is an important topic in the JEE (Joint Entrance Examination) as it assesses the candidates' knowledge of chemical processes and their impact on the environment. Questions related to environmental chemistry may be asked in the Chemistry section of the JEE exam.
3. What are the main sources of air pollution?
Ans. The main sources of air pollution include industrial emissions, vehicle exhausts, burning of fossil fuels, agricultural activities, and natural sources such as volcanoes and forest fires. These sources release pollutants such as carbon monoxide, nitrogen oxides, sulfur dioxide, and particulate matter into the atmosphere.
4. How does water pollution occur?
Ans. Water pollution occurs when harmful substances, such as chemicals, microorganisms, and pollutants, contaminate water bodies such as rivers, lakes, and oceans. This contamination can result from industrial waste discharge, improper disposal of household waste, agricultural runoff, and oil spills, among other factors.
5. What are the effects of soil pollution on the environment?
Ans. Soil pollution can have detrimental effects on the environment. It can lead to decreased soil fertility, loss of biodiversity, contamination of groundwater, and disruption of ecosystem balance. Soil pollution can also affect human health through the consumption of contaminated food grown in polluted soil.
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