EASY
8th CBSE
IMPORTANT
Earn 100

How is polyester fibre made?

Important Questions on Synthetic Fibres and Plastics

MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 3 - Synthetic Fibres and Plastics>Check Point>Q 2
Which fibre is chemically identical to man-made fibre rayon?
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 3 - Synthetic Fibres and Plastics>Check Point>Q 3

For what the term PET is usually used? Define this term.

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 3 - Synthetic Fibres and Plastics>Check Point>Q 1

Choose the thermoplastic and thermosetting plastic from the following:

Melamine, PVC, polythene, nylon, Bakelite


MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 3 - Synthetic Fibres and Plastics>Check Point>Q 2

Which is better material for constructing handle of a pressure cooker -a thermoplastic or a thermosetting plastic?


MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 3 - Synthetic Fibres and Plastics>Check Point>Q 3

What type of plastic is used to make electric switches?

MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 3 - Synthetic Fibres and Plastics>Check Point>Q 1

Name one material used for non-stick coating on cookwares.


EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 3 - Synthetic Fibres and Plastics>Check Point>Q 2

State the property of plastics due to which switches and plugs are made up of plastics.


MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 3 - Synthetic Fibres and Plastics>Check Point>Q 3

Why plastic is lighter than metal?