Multiple choice

Potassium Permanganate is used for purifying drinking water because ______.

  1. it dissolves the impurities of water

  2. it is a sterilising agent

  3. it is an oxidising agent

  4. it is a reducing agent
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Potassium permanganate (KMnO4) is a powerful oxidizing agent that kills bacteria and other microorganisms in water through oxidation reactions. It oxidizes organic impurities and pathogens, making water safe for drinking. Options A and B are incorrect - it doesn't dissolve impurities or act as a sterilizing agent in the traditional sense.

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