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The dissolution of copper sulfate in water is a physical change where as that of granulated zinc in dilute hydrochloric acid is a Chemical Change.

The dissolution of copper sulfate in water is a physical change where as that of granulated zinc in dilute hydrochloric acid is a Chemical Change.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 8741 Points
one month ago
When CuSO 4 ​ is dissolved in water, no chemical reaction takes place since no new substance is getting formed.Thus it is a physical change. The dissolution of Zinc granules in dil. HCl is a chemical change because zinc reacts with hydrochloric acid to form zinc chloride and hydrogen gas is liberated. The reaction is : Zn+2HCl→ZnCl 2 ​ +H 2

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