Question

Extra questions (short) for science chapter 3 of class 8 ncert...plz guysssss....

One whose answer is the best will be marked as a brainlist​

Answer 1

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Chapter 3 Synthetic fibres and Plastics

1.)What are fibres?
2.)What are yarns?
3.)What are polymers?
4.)What is polywool and polycott?
5.)What is the story behind rayon which is now known as artificial silk?
6.)How nylon is helpful?
7.)Why nylon is used to make Rock's rope and parachutes?
8.)What are Plastics?
9.)What are thermosetting plastic?
10.)What are thermoplastics?
11.)How plastics are useful?
12.)Where we use plastic in daily life?
13.)Which is the best coating used on kitchen cookwares?
14.)What is Biodegredeble and non Biodegredeble?
15.)What are 5R principles?

#Hope it Helps you ☮️ I've not used to give answers of them!

Answer 2

Answer:

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