Question

6. How can you prove that metal oxides are basic and non-metal oxides are acidic in nature? Give an
example of each. ​

Answer 1

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Answer 2

The oxides of a metal are basic in nature or in other words they react with acids to form salt and water. In the case of non-metals, they are acidic in nature to form acids when they dissolve in water. Sulphur-dioxide dissolved in water can be tested with litmus.

SO

2

+2H

2

O→H

2

SO

4

+2H.

Sulphuric acid is acid that turns blue litmus to red.