How do industries pollute air and water? Explain with examples.
OUTSIDE DELHI - SET 1 2009
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Causes for air pollution:-
- Presence of high proportion of undesirable gases like sulphur dioxide and carbon monoxide.
- Air borne particulate materials contain both solid and liquid particles like dust, sprays, mist, smoke and pollen.
- Smoke emitted by factories & automobile ignoring pollution norms.
- Leakage of toxic gas, e.g., Bhopal gas tragedy.
- Discharge of organic and inorganic industrial waste and effluents into rivers.
- Electroplating industries that let out dyes, detergents, acids, salts and heavy metals like lead and mercury, pesticides, fertilisers, synthetic chemicals with carbon, plastics and rubber into water bodies.
- Discharge of major solid wastes into water bodies.
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