MEDIUM
8th CBSE
IMPORTANT
Earn 100

Give reasons for the following:

Electrical wires have a plastic coating. 

Important Questions on Synthetic Fibres and Plastic

MEDIUM
8th CBSE
IMPORTANT
Start Up Science>Chapter 3 - Synthetic Fibres and Plastic>Answer Orally>Q 2
Why are rayon clothes preferred over clothes made of other synthetic fibres? 
MEDIUM
8th CBSE
IMPORTANT
Start Up Science>Chapter 3 - Synthetic Fibres and Plastic>Answer Orally>Q 3
Why are ropes made of nylon used in elevators and cranes? 
MEDIUM
8th CBSE
IMPORTANT
Start Up Science>Chapter 3 - Synthetic Fibres and Plastic>Answer Orally>Q 4
Give one advantage and one disadvantage of synthetic fibres over natural fibres. 
EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 3 - Synthetic Fibres and Plastic>Mind Scrambler>Q a

Unscramble the following to form a word or term. 

PALTSOHEMSTR.

EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 3 - Synthetic Fibres and Plastic>Mind Scrambler>Q b

Unscramble the following to form a word or term. 

YICARCL. 

HARD
8th CBSE
IMPORTANT
Start Up Science>Chapter 3 - Synthetic Fibres and Plastic>EXERCISES>Q 4
What is meant by tensile strength? How is this property utilised in certain applications? 
EASY
8th CBSE
IMPORTANT
Start Up Science>Chapter 3 - Synthetic Fibres and Plastic>Some Questions from NCERT>Q 3
Synthetic fibres are synthesised from the raw materials called _____.
MEDIUM
8th CBSE
IMPORTANT
Start Up Science>Chapter 3 - Synthetic Fibres and Plastic>Some Questions from NCERT>Q 7

Explain why the saucepan handles are made of thermosetting plastics.