Question

Dorji heats hydrated copper sulphate in a test tube. While heating, the colour changes from blue to white. After cooling, Wangmo adds a drop of water into the same test tube and blue colour reappears.

what type of change has the hydrated copper sulphate undergone? give reasons​

Answer 1

Answer:

THE HYDRATED COPPER SULPHATE IS UNDERGONE PHYSICAL CHANGE.

Explanation:

we can say it is a physical change because the. blue color changed from blue to white and by adding water it was reversed hence we can say that it was a physical and reversible change.

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