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synthetic fibres and Plastics Class 8 CBSE Practice questions



In this page we have synthetic fibres and Plastics Class 8 CBSE Practice questions . Hope you like them and do not forget to like , social share and comment at the end of the page.

I.Practice questions

Question 1
Why is polyester considered to be a good material for making the sails of ships?
Question 2
Name the component fibres of polycot, Terry wool and cots wool?
Question 3
Why polythene bags should not be thrown along with garbage?
Question 4
What are synthetic fibres? How are they made?
Question 5
Differentiate between thermoplastics and thermosetting plastics and give one example of each?
Question 6
List and explain four properties of plastics? Give one use of plastics linked to each of these properties?

Question 7
List three steps you can take to reduce the danger that plastic pose to the environment?
Question 8
Describe any three major uses of nylon?
Question 9
State advantages and disadvantages of synthetic fibres
Question 10
Explain polymerization?

II. Answer the following questions briefly:

Question 1
Why is acrylic often used to make sweaters and blankets?

Question 2
List the two ways in which synthetic fibres can be synthesised.

Question 3
What is rayon manufactured from?

Question 4
Mention one disadvantage of synthetic fibres.

Question 5
why do we need blended fibres?

Question 6
List two advantages of rayon,

Question 7
Why polythene bags should not be thrown along with garbage?

Question 8
What is plasticity?

Question 9
State two uses of nylon.

Question 10
Define thermoplasts.


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