Civil Engineering - Waste Water Engineering - Discussion

Discussion Forum : Waste Water Engineering - Section 7 (Q.No. 2)
For detecting the nitrates in sewage, the colour may be developed by adding
Pottassium permanganate
Sulphuric acid and napthamine
Phenol-di-sulphuric acid and pottassium hydroxide
None of these.
Answer: Option
No answer description is available. Let's discuss.
3 comments Page 1 of 1.

Rahul kumar said:   5 years ago
C is the correct answer because it has a nitrat, not nitrite.

For nitrite - sulfuric acid and Nepthamine

Luckyarru said:   6 years ago

Sulphuric acid and napthamins is true for nitrite.

Patrick Dizon said:   7 years ago
Why not Sulphuric acid and napthamine?

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