10. N02/3/4. For over 5000 years copper has been obtained by the
reduction of its ores. More recently the metal has been purified
by electrolysis.
(a) Copper is
used to make alloys.
•(i)
Give two other uses of copper. [2]
•
•
•(ii) Alloys have similar structures to pure metals. Give
a labelled diagram that shows the structure of a typical alloy,
such as brass. [3]