Get premium membership and access revision papers with marking schemes, video lessons and live classes.
The basic raw material for extraction of aluminium is bauxite.
(a) Name the method that is used to extract aluminium from bauxite.
(b) Write the chemical formula of the major component of bauxite.
(c) (i) Name two major impurities in bauxite.
(ii) Explain how the impurities in bauxite are removed.
(d) Cryolite is used in the extraction of aluminium from bauxite. State its function.
(e) Aluminium is a reactive metal yet utensils made of aluminium do not corrode easily. Explain this observation.