14. Environmental Chemistry
Environmental chemistry addresses the chemical changes in the environment due to pollutants and emphasizes the sources, effects, and control measures of pollution in air, water, and soil. It covers various types of pollution including air, water, soil, and noise, as well as issues like ozone layer depletion, global warming, and acid rain. The chapter concludes by discussing preventive measures and the role of chemistry in protecting the environment through eco-friendly solutions.
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Sections
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What we have learnt
- Environmental chemistry focuses on the relationship between chemical processes and pollution.
- Different types of pollution impact air, water, and soil quality as well as human health and ecosystems.
- Preventive measures and eco-friendly practices are crucial in mitigating the effects of pollution.
Key Concepts
- -- Pollutants
- Harmful substances that cause undesirable changes in the environment.
- -- Greenhouse Gases
- Gases like CO₂ and CH₄ that trap heat in the Earth's atmosphere, contributing to global warming.
- -- Acid Rain
- Rainfall made acidic by pollutants such as SO₂ and NOx, leading to environmental damage.
- -- Ozone Layer
- A protective layer in the atmosphere that absorbs and scatters ultraviolet solar radiation.
- -- Biodegradable Materials
- Materials that can be broken down by microorganisms, reducing environmental impact.
Additional Learning Materials
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