Respuesta :

PHG

Explanation:

Metal oxides are generally basic in nature.

When metal oxides react with acid they form respective metal salt and water.

Acid + Metal Oxide => Salt + Water

Neutralization Reaction :

Acid + Base => Salt + Water

This is similar to neutralization reaction where base comes instead of Metal oxide. Hence it can be concluded that Metal oxide is a base.

So Bases turn Red litmus to blue.

Hence the solution of any metal oxide will turn Red litmus to Blue but it has no effect on the Blue Litmus paper.

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