Question

write down the important uses of metals and non metals
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Answer 1

Answer:

How many 3 cm cubes can be cut from a cuboid. measuring 18 cm, 12 cm and 9 cm.The length of a diagonal of a cube is 8√3 cm. Find its edge.

Answer 2

Answer:

uses of metals:

1) the aluminium metal in the form of alloy is used to make aeroplane.

2)the copper metal is used to make electric wires , electric motor , utensils e.t.c..

3)Then zinc metal is used in galavanizion iron so it prevents it from rusting.

4)The silver and gold is used to in making jewelry.

uses of non-metals:

1) sulphur is used in vulcanisation of rubber.

2) chlorine is used in water purification process.

3)nitrogen is used in manufacturing fertilizers which enhance the growth of plant.

4) oxygen is used by plants and animal for breathing.

Hope this helps u