Question

How can we obtain pure copper sulphate from an impure sample?

Answer 1

Answer:

Pure copper sulphate can be obtained from an impure sample by re-crystallization.

Answer 2

Pure copper sulphate can be obtained from an impure sample by re-crystallization. The impure sample is dissolved in water, heated and then cooled which then later forms crystals. These copper sulphate crystals are then separated by filtration and drying.