Although metals form basic oxides, which of the following metals form an amphoteric oxide?
(A) Na
(B) Ca
(C) Al
(D) Cu
Answer
Amphi means both . Therefore, amphoteric oxides are the ones which can react with both acid and base to form salt and water.
So, the correct answer is (c) Al
Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class