Question

technique used to obtain pure crystals of copper sulphate from copper sulphate solution

Answer 1

Answer:

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Explanation:

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Answer 2

Crystallisation

➢ Take some impure copper sulphate in a china dish and dissolve in minimum amount of water.

➢ Take some impure copper sulphate in a china dish and dissolve in minimum amount of water. ➢ Filter the solution to remove impurities.

➢ Take some impure copper sulphate in a china dish and dissolve in minimum amount of water. ➢ Filter the solution to remove impurities. ➢ Heat the copper sulphate solution on water bath.

➢ Take some impure copper sulphate in a china dish and dissolve in minimum amount of water. ➢ Filter the solution to remove impurities. ➢ Heat the copper sulphate solution on water bath. ➢ When small crystals form on glass rods, stop heating.

➢ Take some impure copper sulphate in a china dish and dissolve in minimum amount of water. ➢ Filter the solution to remove impurities. ➢ Heat the copper sulphate solution on water bath. ➢ When small crystals form on glass rods, stop heating. ➢ Allow the saturated solution to cool slowly.

➢ Take some impure copper sulphate in a china dish and dissolve in minimum amount of water. ➢ Filter the solution to remove impurities. ➢ Heat the copper sulphate solution on water bath. ➢ When small crystals form on glass rods, stop heating. ➢ Allow the saturated solution to cool slowly. ➢ Crystals of pure copper sulphate are formed.

➢ Take some impure copper sulphate in a china dish and dissolve in minimum amount of water. ➢ Filter the solution to remove impurities. ➢ Heat the copper sulphate solution on water bath. ➢ When small crystals form on glass rods, stop heating. ➢ Allow the saturated solution to cool slowly. ➢ Crystals of pure copper sulphate are formed. ➢ Separate the copper sulphate crystals by filtration and dry.