Potassium Permanganate is used for purifying drinking water, because...
it is an oxidising agent
it is a reducing agent
it dissolves the impurities of water
it is a sterilising agent
Option A
Potassium permanganate is used extensively in the water treatment industry. It is used as a regeneration chemical to remove iron and hydrogen sulfide (rotten egg smell) from well water via a "Manganese Greensand" Filter.
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