1a2 marks
Hydrated copper sulphate crystals, CuSO4.5H2O were heated in the apparatus shown below.
Indicate on the diagram using arrows
i)
Where the copper sulphate crystals are placed
ii)
Where heat is applied.
1b1 mark
What is the purpose of the ice?
1c2 marks
The crystals changed colour from ........................... to ..............................
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