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Crystals of copper sulphate are heated in a test tube for some time (a) What is the colour of copper sulphate crystals (i) before heating, and (ii) after

heating? b) What is the source of liquid droplets seen on the inner upper side of the test tube during the heating?


1 sky blue
2 light green
3 hydrated copper sulphate i.e water of crystallization
0 0 0
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