EASY
8th CBSE
IMPORTANT
Earn 100

Name one thermosetting plastic which is a good insulator and is used to make plugs and switches.

Important Questions on Synthetic Fibres and Plastics

EASY
8th CBSE
IMPORTANT

Give two examples each of natural and synthetic fibres.

EASY
8th CBSE
IMPORTANT
What is a polymer?
MEDIUM
8th CBSE
IMPORTANT
Why is rayon called a regenerated fibre?
HARD
8th CBSE
IMPORTANT
List two disadvantages of synthetic fibres.
MEDIUM
8th CBSE
IMPORTANT
What is a plastic? All plastics have one common property−what is it?
MEDIUM
8th CBSE
IMPORTANT
Why are plastic bottles commonly used to store chemicals in a chemistry laboratory?
MEDIUM
8th CBSE
IMPORTANT
List the important properties of nylon that make it a useful synthetic fibre. Give two important uses of nylon.
HARD
8th CBSE
IMPORTANT
Give three uses of polyester, and explain the reason for each use.