State fives uses of metals and five of non-metals.
Uses of metals:
(a) Lead metal is used in making car batteries.
(b) Zinc is used for galvanzing iron to protect it from rusting.
(c) Iron, copper and aluminium are used to make utensils.
(d) Copper and aluminium metals are used to make electrical wires.
(e) Aluminium is used to make aluminium foil for packaging materials.
Uses of non-metals:
(i) Hydrogen is used in the hydrogenetion of vegetable oils.
(ii) Carbon is used to make electrodes of electrolytic cells and dry cells.
(iii) Nitrogen is used in manufacture of ammonia, nitric and fertizers.
(iv) Sulphur is used for producing sulphuric acid.
(v) Liquid hydrogen is used as rocket fuel.