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Potassium Permanganate is used for purifying drinking water, because_________

A. 

It is a reducing agent

B. 

It is an oxidising agent

C. 

It is a sterilising agent

D. 

It dissolves the impurities of water

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Answer with explanation

Answer: Option B

Explanation

Potassium permanganate(KMnO4) is a strong oxidizing agent that does not generate toxic byproducts. It is used extensively in the water treatment industry. It was used to disinfect drinking water and can turn the water pink. Now a days it is used in control of nuisance organisms such as zebra mussels in fresh water collection and treatment systems.

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