1.

odaWhy is potassium permanganateused for purifying drinking water?(a) It kills germs(b) It dissolves the impurities(c) It is a reducting agent(d) It is an oxidising agent

Answer»

The answer is option d.

Potassium permanganateis a point-of-entry treatment method that oxidizes dissolved iron, manganese, and hydrogen sulfide into solid particles that are filtered out of thewater. It can also beusedto control iron bacteria growth in wells.



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