Question

_______is used for disinfection of drinking water.

i.copper sulphate
ii.alum
iii.bleaching powder
iv.sodium carbonate​

Answer 1

Answer:

$\huge{ \underline{ \mathtt{ \red{ ☆A} \pink{N} \green{S} \blue{W} \purple{E} \orange{R}}}}$

Explanation:

Bleaching powder is the answer due to the presence of chlorine in it.

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Answer 2

Answer:

bleaching powder

Explanation:

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