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InterviewSolution
| 1. |
Take some (approximately 5 g) impure sample of copper sulphate in a china dish. Dissolve it in minimum amount of water. Filter the impurities out. Evaporate water from the copper sulphate solution so as to get a saturated solution. Cover the solution with a filter paper and leave it undisturbed at room temperature to cool slowly for a day. What do you observe in the china dish ? |
| Answer» SOLUTION :CRYSTAL of COPPER sulphate STARTS forming in the CHINA dish. | |