Which of the following should not be done while extracting copper sulphate crystals? (i) Stirring the solution while cooling. (ii) Filtering the solution every 5 minutes. (iii) Disturbing the solution while cooling.
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To prepare the crystals of the given substances (Copper sulphate,Potash alum ,Benzoic acid) ... Cooling the hot saturated solution ... The crystallisation will complete after half an hour.
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