1.

State at least five uses of metal and non metals

Answer»
metals
1 metals are widely used for making cooking utensils.

2 copper WIRES are mainly used as CONDUCTING wires and electrical gadgets, radios, refrigerator.

3 iron and aluminum sheets are used to make roof of house.

4 gold,silver,tin are used to make coins and ornament

5 mercury is used in thermometer.


Nonmetals

1 graphite is used as the core in pencil.

2 graphite is also used as one positive ELECTROCHEMICAL cell

3 silicon dioxide the oxide of metalloid silicon is used in making GLASS and cement.

4 silicon is used in the solar cell.

5 sulphur is used for producing acids and also in some medicine, gun powder......
......



hope it helps you..........


Discussion

No Comment Found

Related InterviewSolutions