Question

Describe how crystals of copper sulphate are prepared.​

Answer 1

Answer:

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Crystals of copper sulphate are prepared using the crystallization method, which is described as follows

• Take a cupful of water in a beaker.
• Add a few drops of dilute sulphuric acid to this.
• Heat the water and when it starts boiling, add copper sulphate powder while still stirring.
• Add the copper sulphate powder till the solution becomes saturated. Filter into a china dish and allow it to cool.
• The solution should be kept undisturbed. Slowly, the crystals of copper sulphate separate out

Answer 2

Crystals of copper sulphate are prepared as follows:

■ Take a beaker filled with water and add a few drops of dilute sulphuric acid .

■ Heat the water. When it starts boiling, add copper sulphate powder slowly .

■ During this process stir continuously .

■ Continue adding copper sulphate powder till no more powder can be dissolved .

■ Filter the solution .

■ Leave it for cooling .