1. J03/3/6. The list below shows part of
the metal reactivity series .
– potassium
more reactive
magnesium
aluminium
zinc
iron
copper less
reactive
–(a) From this list, choose a metal which is extracted
using electrolysis. [1]
–
–(b) Two thousand years ago, people were
able to extract iron and copper from
their ores. They were not able to extract aluminium. Suggest why they
were not able to extract aluminium from its ore. [1]