Question

prove that metallic oxides are basic in nature​

Answer 1

When metallic oxides react with water they form metallic hydroxides which are basic in nature. To show that these are basic in nature,we should conduct a litmus paper test. In this experiment,we will observe that red litmus turns blue on coming in contact with them. This shows that metallic oxides are basic in nature.

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Answer 2

Let's take an example:

ZnO + HCl ------> ZnCl2 + H2O

Here, acid neutralizes metallic oxide,

thus, metallic oxides are basic in nature.