MCQ
When ammonia is passed over heated $CuO$, it is oxidised to
- ✓${N_2}$
- B$N{O_2}$
- C${N_2}O$
- D$HN{O_2}$
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(ii) Silver metal does not react with $1 M$ zinc nitrate solution
(iii) Zinc metal dissolves in $1M$ copper sulphate solution and copper metal gets depositedHence the order of decreasing strength of the three metals as reducing agents will be