10. Metals
Core
10.3 a) Extraction of metals
-describe the ease in obtaining metals from
their ores by relating the elements
to the reactivity series
-describe the essential reactions in
the extraction of iron from hematite
Extension
-describe in outline, the extraction
of zinc from zinc blende
-name the main ore of aluminium
10.3 b) Uses
Extension
-name the uses of zinc for galvanising
and for making brass