When a metal sulphate is heated in dry test tube, the colour changes f – InterviewSolution

1.	When a metal sulphate is heated in dry test tube, the colour changes from blue to white. Then metal sulphate may be :
Answer» `BaSO_(4)` `CuSO_(4).5H_(2)O` `Na_(2)SO_(4)` NONE of these Answer :B

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