Question

    Potassium Permanganate is used for purifying drinking water, because?

    A It is a reducing agent Correct Answer Incorrect Answer
    B It is a sterilizing agent Correct Answer Incorrect Answer
    C It is an oxidising agent Correct Answer Incorrect Answer
    D It dissolves the impurities of water Correct Answer Incorrect Answer

    Solution

    Potassium permanganate is a point-of-entry treatment method that oxidizes dissolved iron, manganese, and hydrogen sulphide into solid particles that are filtered out of the water.

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