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Depending on the acid, different things happen. With sulphuric acid:

Cu + H2SO4 ----> CuSO4 + H2So, Copper Sulphate and Hydrogen

With hydrochloric acid:

Cu + HCl ----> CuCl2 + H2So, Copper Chloride and Hydrogen

In general, a metal + an acid ----> a base and hydrogen gas.

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