JEE Main 2022 · 28 June · morning · Single correct · +4 / −1

Given are two statements one is labelled as Assertion A and other is labelled as Reason R.
Assertion A : Magnesium can reduce Al₂O₃ at a temperature below 1350°C, while above 1350°C, while above 1350°C aluminium can reduce MgO.
Reason R : The melting and boiling points of magnesium are lower than those of aluminium.
n light of the above statements, choose most appropriate answer from the options given below :

1. (a) Both A and R are correct, and R is correct explanation of A.
2. (b) Both A and R are correct, but R is NOT the correct explanation of A.
3. (c) A is correct R is not correct.
4. (d) A is not correct, R is correct.