For two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below:
(a) Both A and R are true, and R is correct explanation of the assertion.
(b) Both A and R are true, but R is not the correct explanation of the assertion.
(c) A is true, but R is false.
(d) A is false, but R is true.
Assertion: Aluminium oxide and zinc oxide are acidic in nature.
Reason: Amphoteric nature means that substances have both acidic and basic character.
(d) A is false, but R is true.
Explanation:
Aluminium and zinc oxides are amphoteric in nature.