For detecting the nitrites in the sewage, the matching colour may be developed by adding Options: A . &nbspPotassium permanganate B . &nbspSulphuric acid and napthamine C . &nbspPhenol-di -sulphuric acid potassium hydroxide D . &nbspNone of these

For detecting the nitrites in the sewage, the matching colour may be developed b

Question

For detecting the nitrites in the sewage, the matching colour may be developed by adding

Options:

A . Potassium permanganate

B . Sulphuric acid and napthamine

C . Phenol-di -sulphuric acid potassium hydroxide

D . None of these

Answer: Option B

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