1a
2 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.
1b
1 mark
What is the purpose of the ice?
1c
2 marks
The crystals changed colour from ........................... to ..............................
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