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UPSC Civil Service Exam Questions

Q1: Consider the following statements :
Some amount of chlorides is allowed in drinking water because
1. it helps in killing bacteria.
2. small quantity of chlorides adds to the taste
3. it is not injurious to human health.
4. it is not economical to remove it completely.
Which of these statements are correct ?

A 1, 2 and 4

B 1, 2 and 3

C 2, 3 and 4

D 1, 3 and 4

ANS:D - 1, 3 and 4

Chloride doesn't killed bacteria as such.

So, The answer of this question is option C.



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