NDA2016General AbilityGeneral ScienceActual
Which one of the following oxides dissolves in water?
Options
- ACuO
- BAl ₂ O ₃
- CFe ₂ O ₃
- DNa ₂ O
Correct answer
D. Na ₂ O
Step-by-step solution
Oxides of Sodium readily dissolved in water as it has ionic bond which breaks in water easily other oxides have covalent bond which do not break easily.