Question

What will you observe when dilute hydrochloric acid is added to a small amount of copper oxide in a beaker?

Answer 1

Hi, please consider the answer given below;

When dilute hydrochloric acid is added to a small amount of copper oxide, an effervescence will be observed i.e a vigorous reaction will take place and the product of the reaction is calcium chloride and water.

This kind of a reaction is referred to as neutralization reaction.

The copper oxide is a base and HCl is an acid hence acid-base reaction thus neutralization reaction.

Answer 2

Answer:

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