MCQ
On heating $NaNO_3$ gives
- ✓$O_2$
- B$NO_2$
- C$O_2 + NO_2$
- D$Na_2O$
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$2{X_2}\left( s \right) + 3{Y^{ + 2}}\left( {aq} \right) \to 2X_2^{3 + }\left( {aq} \right) + 3Y\left( s \right)$