MEDIUM
8th CBSE
IMPORTANT
Earn 100

Why is cellulose termed a polymer?

Important Questions on Synthetic Fibres and Plastics

MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 3 - Synthetic Fibres and Plastics>Put on your thinking cap>Q 5
Which is the first man-made fibre? What is it generally called and why?
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 3 - Synthetic Fibres and Plastics>Put on your thinking cap>Q 5
How is rayon different from nylon in its composition?
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 3 - Synthetic Fibres and Plastics>Put on your thinking cap>Q 5
Which properties of nylon make it an ideal material for making parachutes?
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 3 - Synthetic Fibres and Plastics>Put on your thinking cap>Q 5
What happens when a piece of cotton and a piece of nylon are burnt?
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 3 - Synthetic Fibres and Plastics>Put on your thinking cap>Q 6
Differentiate between thermoplastics and thermosets.
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 3 - Synthetic Fibres and Plastics>Put on your thinking cap>Q 6
Names of some things are given below. All are made of plastic. Which of the following things can be recycled and which cannot? Give reasons.

Electrical wire coated with plastic, water bottle, electrical plug, plastic table, polybag, coffee pot handle, plastic bowl, plastic spoon, plastic chair, mobile phone casing.
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 3 - Synthetic Fibres and Plastics>Put on your thinking cap>Q 6
How are polybags harmful to animals and small children?
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 3 - Synthetic Fibres and Plastics>Put on your thinking cap>Q 6
How can you contribute to being environment-friendly?