What happens when an acid reacts with a metal oxide? Explain with the help of an example.

 

Solution

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Acids react with metal oxides to form salt and water.

For example, Copper (II) oxide, a metal oxide,  reacts with dilute hydrochloric acid to form copper chloride and water.

CuO(s)+2HCl(aq)→CuCl2​(aq)+H2​O(l)