MCQ
A compound whose aqueous solution will have the highest $pH$
- A$NaCl$
- ✓$N{a_2}C{O_3}$
- C$N{H_4}Cl$
- D$NaHC{O_3}$
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$(I)\,\,Zn\,+\,Conc. HNO_3\,(hot) \to Zn(NO_3)_2\,+\,X\,+\,H_2O$
$(II)\,\,Zn\,+\,dil. HNO_3\,(Cold) \to Zn(NO_3)_2\,+\,Y\,+\,H_2O$
Compound $X$ and $Y$ are respectively
