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Civil Engineering · Q94

Waste Water Engineering

Engineering and GATE · Civil Engineering · question 94

Q94

The presence of free ammonia in sewage, is detected by

A.
Boiling
Answer
B.
Adding potassium permanganate
C.
Adding sulphuric acid
D.
Phenol-di-sulphuric acid

Answer: Option A

Solution

Answer: Option A
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