Question

(i) Which element among the following forms amphoteric
oxide?
(a) Carbon
(b) Calcium
(d) Zinc
(c) Barium​

Answer 1

Answer:

D- Zinc

Explanation:

We recognize that these elements combine with acid and base to form salt and water as well as amphoteric oxides, and zinc is the element that forms the amphoteric metal oxides. ZnO reacts with both acid and bases. Therefore, Zinc is the element which forms amphoteric oxides.