MCQ
Sodium oxalate on heating with conc. ${H_2}S{O_4}$ gives
- A$CO$ only
- B$C{O_2}$ only
- ✓$CO$ and $C{O_2}$
- D$S{O_2}$ and $S{O_3}$
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Assertion $A$ :Magnesium can reduce $Al _{2} O _{3}$ at a temperature below $1350^{\circ} C$, while above $1350^{\circ} C$ aluminium can reduce $MgO$.
Reason $R$ : The melting and boiling points of magnesium are lower than those of aluminium.
In light of the above statements. choose most appropriate answer from the options given below