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Normally, the ratio of ammonia and chlorine in chloramine is?

(a) 1:1

(b) 1:2

(c) 1:4.5

(d) 1:3.5

This question was posed to me in an online interview.

Query is from Chlorination in chapter Properties of Disinfection of Environmental Engineering

1 Answer

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Best answer
Right answer is (c) 1:4.5

Easy explanation: Normally, the ratio of ammonia and chlorine in chloramine is 1:4.5. They are more effective than chlorine.

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