Chemistry · Oct / Nov 2021 · Paper 12 · Question 32

Which statements about extracting metals from their ores are correct? 1 Aluminium is extracted by the electrolysis of aluminium oxide dissolved in cryolite. 2 Silver is difficult to extract from its ores because of its low reactivity. 3 Iron is extracted from haematite by reduction in the blast furnace.

1. A1 and 2 only
2. B1 and 3 only
3. C2 and 3 only
4. D1, 2 and 3

As printed in the paper