Question

What will you observe when copper oxide is added to hcl?

Answer 1

Answer:

When dilute HCl is added to a small amount of copper oxide in a beaker, a greenish yellow gas is released and bluish green solution is formed. Since, the metal oxides such as Copper oxide (CuO) is basic in nature, it reacts with acids such as HCl to form the corresponding salt and water.

Answer 2

when copper oxide react with the solution of the hydrochloric acid greenish yellow colour gas is released and a bluish green solution is formed when the reaction takes place between the copper oxide and hydrochloric acid. the reaction is Redox reaction