Question

when a crystal of coper sulphate is placed at a bottom of a beaker containing water the water slowly turns blue why ?​

Answer 1

Answer:

The reaction between anhydrous copper(II) sulfate and water is used as a test for water. The white solid turns blue in the presence of water. The backward reaction is exothermic - energy is transferred to the surroundings when it happens. This is easily observed.

So this happens.

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Answer 2

Explanation:

this is due to the movement of water particles. due to this, the copper sulphate particles and water molecules get mix with each other by the process of diffusion. due to this diffusion, when a crystal of copper sulphate is placed at the bottom of a beaker containing water , the water slowly turns blue...............

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