Grade 12th pass10 grade science
Pure N2 can be obtained by heating ________.
A. NH3 with CuO
B. NH4NO3
C. (NH4)2Cr2O7
D. Ba(N3)2
Pure N2 can be obtained by heating ________.
A. NH3 with CuO
B. NH4NO3
C. (NH4)2Cr2O7
D. Ba(N3)2
1 Answer
Yash Patari
Dear student
It can be prepared from liquefaction of air and fractional distillation. But when we talk about pure nitrogen then we know that it is obtained by barium azide which is used in the preparation of extra pure nitrogen on heating. Therefore, pure ${N_2}$ can be obtained by heating barium azide (option D).
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