Question

Write the uses of metals and non-metals

Answer 1

➡The uses of metals are related to their properties:

↪They are made into jewellery due to their hard and shiny appearance.

↪They are used to make pans, since they are good conductors of heat.

↪They are used in electrical cables, because they are malleable, ductile and good conductors of electricity.

Answer 2

Uses of metals and non-metals:

(i) Oxygen is essential for respiration.

(ii) Non-metals like nitrogen, phosphorus etc. are used in fertilisers.

(iii) Graphite is used as an electrode in dry cells. It is also used as a good lubricant.

(iv) Chlorine is used in water purification process.

(v) Sulphur is used in dyes, fire works and gun powder.