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Nitrogen can be purified from the impuri...

Nitrogen can be purified from the impurities of oxides of nitrogen and ammonia by passing through:

A

Conc. HCl

B

Alkaline solution of pyrogallol

C

A solution of `K_2Cr_2O_7` acidified with `H_2SO_4`

D

A solution of KOH

Text Solution

Verified by Experts

The correct Answer is:
D
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