MCQ
In Which of the following process nitrogen undergoes in oxidation process
- A${N_{2\,}}\, \to \,H{N_3}$
- B${N_{2\,}}{O_4}\, \to \,2N{O_2}$
- C$NO_3^ - \, \to \,{N_2}{O_5}$
- ✓${N_2}O\, \to \,NO$
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