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Question

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.


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