What is used to make drinking water free from germs?
Bleaching powder
The correct answer is option 1 I.e. Bleaching powder.
Bleaching powder is used to make drinking water free from germs.
Bleaching powder (chemical name: calcium hypochlorite) releases chlorine when added to water. This chlorine kills harmful microorganisms, making the water safe to drink. It's a widely used and effective disinfectant in water purification.
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