`(NH_4)_2Cr_2O_7` on heating gives a gas which is also obtained by

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Q 2585334267.     `(NH_4)_2Cr_2O_7` on heating gives a gas which is also obtained by
JEE 2004 Prelims
A

heating `NH_4NO_2`

B

heating `NH_4NO_3`

C

`Mg_3N_2 + H_2O`

D

Na (comp.) + ` H_2O_2`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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