For which of the following reasons is Potassium permanganate used for the purification of drinking water?

Options :
  1. Because it dissolves the impurities of water
  2. Because it is a sterilizing agent
  3. Because it is an oxidizing agent
  4. Because it is a reducing agent
Answer and Explanation :-

Answer: Option 3


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There is an electric fire in human nature tending to purify - so that among these human creatures there is continually some birth of heroism. The pity is that we must wonder at it, as we should at finding a pearl in the rubbish.
-John Keats