Question

(a) What type of oxides are formed when non-metals react with oxygen ? Explain with an example.
(b) What is the nature of oxides are formed when metals combine with oxygen? Explain with the help of an example.

Answer 1

(a) When non-metals are combined with oxygen, neutral or acidic oxides are formed. E.g. SO₂ is an acidic oxide while NO is a neutral oxide.

(b) Oxides formed by metals are basic or amphoteric. E.g. $N{a}_{2}O$ is basic, while ZnO is an amphoteric oxide.