Question

Pure copper sulphate can be obtained from an impure sample by the process of (a) evaporation
(b) fractional distillation
(c) centrifugation
(d) crystallisation

Answer 1

Answer:

The answer for your question is - option (d) crystallisation.

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Answer 2

Pure copper sulphate can be obtained from an impure sample by the process of crystallisation.

Explanation:

• Crystallisation is the method used to obtain pure copper sulphate from an impure sample.  
• A process that separates a pure solid from a solution in the form of its crystals is called crystallisation.
• This is done by cooling a hot substance which is in the form of concentrated solution in order to obtain crystals.
• In other words, it is separation technique of a solution which has a solid dissolved in a liquid.