Question

Explain how will you obtain pure and large crystals of copper sulphate from an impure solution

Answer 1

We can obtain it by Crystalisation method

Answer 2

Take a cupfull of water in a beaker and add a few drops of dilute sulphuric acid. Heat the water. When it starts boiling add copper sulphate powder slowly while stirring continuously. Continue adding copper sulphate powder till no more powder can be dissolved. Filter the solution. Allow it to cool. Do not disturb the solution when it is cooling. Look at the solution after sometime. You will see the pure and large crystals.
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