Uses of metals:
1. Gold, silver, copper are used in making jewellery.
2. Silver foil is used in decoration of sweets.
3. Aluminium foil is used in inner packing of food materials and toffees.
4. Aluminium and copper mixture is used in currency coins, medals and statues.
5. Zinc and iron mixture is used in making of iron sheet.
6. Most of agricultural instruments are made by iron.
7. Electrical appliances, automobiles, satellites, aeroplanes, cooking utensils, machinery decorative materials are made by metals.