Question

Suman noticed tjat before releasing drinking water for city dewellers in water treatment plant some chemical were added to it .Suman asked what are these chemical called
…………
Chlorine
Ozone
Solid carbonate
Both a and b
​

Answer 1

Answer:

Chlorine

Explanation:

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Answer 2

Answer:

Solid Carbone

Explanation:

Chlorine is used in swimming water and that's why it cannot be mixed. I think it can be solid carbonate.