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Very pure N(2) can be obtained by...

Very pure `N_(2)` can be obtained by

A

Thermal decomposition of ammonium dichromate

B

Treating aqueous solution of `NH_(4) Cl and NaNO_(2)`

C

Liquifaction and fractional distillation of liquid air

D

Thermal decomposition of sodium azide

Text Solution

Verified by Experts

The correct Answer is:
D
`2NaN_(3) overset(Delta)to 2Na_((s))+underset("Pure")(3N_(2g))`
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