MEDIUM
8th CBSE
IMPORTANT
Earn 100

Define polymers. What are the two ways in which they are formed? 

Important Questions on Synthetic Fibres and Plastics

EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 3 - Synthetic Fibres and Plastics>Exercise>Q 2
Give two other uses of polymers.
EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 3 - Synthetic Fibres and Plastics>Exercise>Q 3
What are the main types of synthetic fabrics available? 
EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 3 - Synthetic Fibres and Plastics>Exercise>Q 4
Why is rayon called the semi-synthetic fibre? 
EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 3 - Synthetic Fibres and Plastics>Exercise>Q 5
What are thermoplastics? Explain briefly with examples.
HARD
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 3 - Synthetic Fibres and Plastics>Exercise>Q 6
List two disadvantages of synthetic fibres.
MEDIUM
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 3 - Synthetic Fibres and Plastics>Exercise>Q 1
What are synthetic fibres? How are they made? Explain with an example. 
MEDIUM
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 3 - Synthetic Fibres and Plastics>Exercise>Q 2
Enlist important properties and uses of acrylic, nylon and polyester.
EASY
8th CBSE
IMPORTANT
Focus Science in Everyday Life>Chapter 3 - Synthetic Fibres and Plastics>Exercise>Q 3

Mention the properties of rayon that make it more useful than silk.