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  • Which one of the following is extensively used for steril...
Multiple choice

Which one of the following is extensively used for sterilising water?

  1. Bleaching powder

  2. Alum

  3. Borax powder

  4. Soda powder

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Bleaching powder (calcium hypochlorite) is widely used to disinfect and sterilize water by releasing chlorine, which kills pathogens.

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