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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. HCI

B

alkaline solution of pyrogallol

C

solution of `K_2 Cr_2 O_7`

D

KOH

Text Solution

Verified by Experts

The correct Answer is:
B
alkaline solution of pyrogallol
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