Answer the following questions in brief.
2 Which property of metals makes them suitable for use in jewellery?(One Word)
4. Write one use each of any two metals and non-metals.
5. Why are metals used in making electrical cables and wires?
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Explanation:
2) Lusturity
4) Metal - (a) Aluminium is used for making cooking utensils, electrical cables packaging,etc.
(b) Shiny metals such as silver, gold, copper is used for making decorative elements.
Nonmetals - (a) Nitrogen is used in fertilizers to enhance in fertility of soil.
(b) Chlorine and fluorine are used to clean the water.
5) Metals are used in making electrical cables and wires because, metals are malleable so that they can be beaten into sheets.Also they are ductile so that they can be drawn out into a wire.The main property is that metals are conductive to heat and electricity.
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