Question
Write the uses of metals.
✓
Answer
Metal:
- Iron, is used for making bridges, engine parts, iron – sheet and bars.
- Copper is used for making electrical wires, coins and statue.
- Silver and gold are used for making jewels, in decorative purposes and photography.
- Mercury is used in thermometers and barometers because of its high density and uniform expansion at different temperature.
- Aluminium is used in electrical wires, cables and in aerospace industries.
- Lead is used in automobile batteries, X – ray machines.
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