crystals of a subdtance changed thtere colour on heating in acloded test tube but regained it after some time when theywere allowed to cool downname yhe substance and write its fotmula .explain
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the compound is blue vitriol CuSO4.5 H2O
Reaction is
CuSO4.5H2O gives CuSO4
What when it is cool
So it becomes crystalline substance again
i.e., CuSO4.5H2O
Reaction is
CuSO4.5H2O gives CuSO4
What when it is cool
So it becomes crystalline substance again
i.e., CuSO4.5H2O
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