Question

write down the 5 uses of metals and non - metal​

Answer 1

Some non - metals and their uses are listed below :
Oxygen is used for breathing.
Chlorine is used for purifying water.
Phosphorous is used in crackers.
Non - metals like nitrogen is used in fertilizers.
Graphite is used as a good conductor of electricity.
Potassium is used in fertilizers.
Nitrogen is used by plants.

Answer 2

Answer:

Uses of metals:

(i) Lead metal is used in making car batteries.

(ii) Zinc is used for galvanizing iron to protect it from rusting.

(iii) Iron, copper and aluminium are used to make utensils.

(iv) Copper and aluminium metals are used to make electrical wires.

(v) Aluminium is used to make aluminium foil for packaging materials.

Uses of non-metals:

(i) Hydrogen is used in the hydrogenation of vegetable oils.

(ii) Carbon is used to make electrodes of electrolytic cells and dry cells.

(iii) Nitrogen is used in the manufacture of ammonia, nitric acid and fertilizers.

(iv) Sulphur is used for producing sulphuric acid.

(v) Liquid hydrogen is used as rocket fuel.