The presence of free ammonia in sewage, is detected by Options: A . &nbspBoiling B . &nbspAdding potassium permanganate C . &nbspAdding sulphuric acid D . &nbspPhenol-di-sulphuric acid

The presence of free ammonia in sewage, is detected by

Question

The presence of free ammonia in sewage, is detected by

Options:

A . Boiling

B . Adding potassium permanganate

C . Adding sulphuric acid

D . Phenol-di-sulphuric acid

Answer: Option A

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