Oil refineries, paper factories, textile and sugar mills, chemical factories are responsible for water pollution. These industries discharge harmful chemicals into rivers and streams and pollute water. The chemicals released include ________.

arsenic

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lead

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fluorides

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all of the above

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Solution

The correct option is D all of the above
Oil refineries, paper factories, textile and sugar mills, chemical factories are responsible for water pollution.These industries discharge harmful chemicals into revers and streams, and pollute water. The chemicals released include arsenic, lead and fluorides which lead to toxicity in plants and animals.

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Similar questions

Harmful chemicals released out from the chemical factories cause air pollution.

	Column I (Pollutants)		Column II (Source)
(a)	Toxic heavy metals	(i)	Domestic sewage
(b)	Microorganisms	(ii)	Industries and chemical factories
(c)	Organic wastes	(iii)	Chemical fertilizers
(d)	Plant nutrients	(iv)	Discharge from food processing factories

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