Question

Which of the following oxide reacts with both acid and base and can form salt and water?
(A) Al2O3 (B) ZnO
(C) Both (A) & (B) (D) CuO​

Answer 1

c. is the answer

Answer:

Amphoteric oxides: Those oxides that behave as both acidic and basic or that can react with acid as well as base are called amphoteric oxides. Example: aluminium oxide Al2O3, zinc oxide ZnO.