Potassium permanganate is used for purifying drinking water, because:
A
it is a sterilising agent
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B
it dissolves the impurities of water
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C
it is a reducing agent
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D
it is an oxidising agent
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Solution
The correct option is D it is an oxidising agent
Potassium permanganate is an inorganic chemical compound
and it is a strong oxidizing agent. Potassium permanganate is used in water
treatment to remove odor-causing compounds and is also used to remove iron and
manganese in water.