Chemistry · May / June 2020 · Paper 11 · Question 2

Copper(II) sulfate is prepared by reacting excess copper(II) carbonate with dilute sulfuric acid. CuCO3(s) + H2SO4(aq) → CuSO4(aq) + CO2(g) + H2O(l) Which two pieces of apparatus are needed to obtain copper(II) sulfate crystals by this reaction? 1 thermometer 2 evaporating basin 3 filter funnel 4 gas syringe

1. A1 and 2
2. B1 and 4
3. C2 and 3
4. D3 and 4

As printed in the paper