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Crystals of copper sulphate are heated i...

Crystals of copper sulphate are heated in a test tube fore some time.
(a) What is the colour of copper sulphate crystal (i) before heating (ii) after heating ?
(b) What is the source of liquid droplets seen on the inner upper side of the test tube during the heating process ?

Text Solution

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Crystals of copper sulphate `(CuSO_(4).5H_(2)O)`contain water of crystallisation and on heating these crystals loose water and become white .This lost water can be seen in the form of droplets on the inner upper side of the test tube .
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