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Water Pollution

Which of the ...

Question

Which of the following chemical is used to disinfect water in a wastewater treatment plant?

A

Oxygen

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B

Chlorine

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C

Hydrogen

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D

Carbon dioxide

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Solution

The correct option is B Chlorine
Chlorination is the final stage in a wastewater treatment plant. Chlorine is used to kill the harmful germs in the water during this stage.

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