HARD
8th CBSE
IMPORTANT
Earn 100

Differentiate between thermoplastics and thermosetting plastics. Give two examples of each.

Important Questions on Synthetic Fibres and Plastics

HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 3 - Synthetic Fibres and Plastics>EXERCISES>Q D
Plastics are very useful materials. Why then is there concern today about their increasing use?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 3 - Synthetic Fibres and Plastics>EXERCISES>Q D
List three steps you can take to reduce the danger that plastics pose to the environment.
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 3 - Synthetic Fibres and Plastics>EXERCISES>Q E
How is rayon made? Why is it called artificial silk? List its important properties and uses.
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 3 - Synthetic Fibres and Plastics>EXERCISES>Q E
List and explain four properties of plastics. Give one use of plastics linked to each of these properties.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 3 - Synthetic Fibres and Plastics>EXERCISES>Q E
Give the characteristic properties and important uses of polythene.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 3 - Synthetic Fibres and Plastics>EXERCISES>Q E
Give the characteristic properties and important uses of polystyrene.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 3 - Synthetic Fibres and Plastics>EXERCISES>Q E
Give the characteristic properties and important uses of teflon.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 3 - Synthetic Fibres and Plastics>EXERCISES>Q E
Give the characteristic properties and important uses of bakelite.