Question

Give any four properties of plastics and also give two uses of it class 8

Answer 1

Answer:

The four properties of plastics are:

a) Plastics are poor conductors of heat and electricity.

b) Plastics are insoluble in water and that is why we use plastic buckets to store water and use plastic glasses to drink water.

c) Plastics are inert to air and water.

d) Plastic are non reactive metals .They are not attacked by chemicals.

Its uses are :

1. Plastics are used to make bicycle helmets, child safety seats and airbags in automobiles.

2. Plastic packagings helps protect and preserve goods, while reducing weight in transportation, which saves fuel and reduces greenhouse gas emissions.