Question

State five uses of metals and five of non-metals.

Answer 1

Uses of metals

• Iron or steel is used to construct houses and bridges.
• Aluminium wires are used.
• The liquid metal mercury is used in making a thermometer.
• Zinc is used to protect the iron from rusting through galvanization.
• Gold and silver are used for making jewellery.

Uses of non-metals

• Hydrogen is used for manufacturing of ammonia.
• Sulphur is used extensively to prepare ointments.
• Carbon is an important component of living cells and used is the preparation of organic material.
• Oxygen is used by plants and animals.
• Nitrogen is another element used by plants.
• Iodine is used as tincture iodine.