MCQ
Pure $N_2$ is not produced when
- ✓Red hot $CuO + NH_3\,\,\xrightarrow{\Delta }\,\,$
- B$Ba(N_3)_2\,\,\xrightarrow{\Delta }\,\,$
- C$NaN_3\,\,\xrightarrow{\Delta }\,\,$
- DNone of these
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correct statement is
