In the treatment of water for municipal supply, chlorine is used to
A.
prevent tooth decay
B.
prevent goitre
C.
kill germs
D.
remove colour or odour
Correct Answer: Option C
Explanation
Chlorine kills or inactivates harmful microorganisms that can cause illnesses like cholera, hepatitis, typhoid, and giardiasis. It helps in disinfecting the potable water.
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