Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Pure N 2 can be obtained by heating
Text Solution
Verified by ExpertsThe correct answer is:
B
Metal nitrides on heating give pure nitrogen
Ba(N 3 ) 2 
Ba + 3N 2
Ammonium nitrate on heating gives ammonia and not nitrogen
NH 4 NO 3 
N 2 O + 2H 2 O
(NH 4 ) 2 Cr 2 O 7 
+ Cr 2 0 3 + 4H 2 O
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