Question

write an activity to make crystals of copper sulphate from impure solution of copper sulphate ​

Answer 1

Answer:

formation of copper sulfate crystal

Explanation:

-filter the solution to remove impure substance

-heat the solution to evaporate water from solution

-keep rest over solution in evaporating dish for few days : after few days copper sulfate crystal will form

Answer 2

➢ 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.