MCQ
Given are two statements one is labelled as Assertion $A$ and other is labelled as Reason $R$.
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
- ABoth $A$ and $R$ are correct. and $R$ is correct explanation of $A$.
- ✓Both $A$ and $R$ are correct. but $R$ is NOT the correct explanation of $A$.
- C$A$ is correct $R$ is not correct.
- D$A$ is not correct. $R$ is correct.