Explain why sometimes foaming is seen in river water near the place where sewage water is poured after treatment?
Explain why sometimes foaming is seen in river water near the place where sewage water is poured after treatment?
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1 Answer
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This is a short answer type question as classified in NCERT Exemplar
Detergents (which are not biodegradable) persist in water even after sewage treatment and that causes foaming in river water.
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