Pure nitrogen gas is obtained from – InterviewSolution

1.	Pure nitrogen gas is obtained from
Answer» `NH_(3)+NaNO_(2)` `NH_(4)Cl+NaNO_(2)` `N_(2)O+Cu` `(NH_(4))_(2)Cr_(2)O_(7)`. Solution :AMMONIUM NITRITE `(NH_(4)Cl+NaNO_(2))` gives `N_(2)` on HEATING.

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