Two drops of dilute sulphuric acid were added to 1 g of copper sulphate powder and then small amount of

Monjur Alahi

Two drops of dilute sulphuric acid were added to 1 g of copper sulphate powder and then small amount of hot water was added to dissolve it (step I). On cooling, beautiful blue coloured crystals got separated (step II). Step I and step II are:
(a) physical and chemical changes respectively.
(b) chemical and physical changes respectively.
(c) both physical change.
(d) both chemical change.


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Salim Ahmed Kawsar

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(c) both physical change. 

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