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Activity (please give solution of this activity)2.9Take some (approximately 5 g) impuresample of copper sulphate in a chinadish.Dissolve it in minimum amount ofwater.Filter the impurities out.Evaporate water from the coppersulphate solution so as to get asaturated solution.Cover the solution with a filter paperand leave it undisturbed at roomtemperature to cool slowly for a day.You will obtain the crystals of coppersulphate in the china dish.This process is called crystallisation. |
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