MCQ
The base having highest $pK_b$ value is
- ✓$NH_3$
- B$CH_3NH_2$
- C$(CH_3)_3N$
- D$(CH_3)_2NH$
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$(A)\,ZnO + Na_2O\rightarrow Na_2ZnO_2$
$(B)\,ZnO + CO_2\rightarrow ZnCO_3$
