Synthetic Fibres and Plastics-Sample Questions

Sample Paper
Synthetic Fibres and Plastics
1.  Why is acrylic more popular than wool?
2.  What is the difference between natural and synthetic fibres?
3.  Write a few characteristics of synthetic fibres.
4.  What is 4R principle?
5.  What are biodegradable and non-biodegradable materials?
6.  What are the disadvantages of plastics?
7.  Why is it convenient to store plastic containers than metals?
8.  What are the uses of nylon?
9.  What do you mean by synthetic fibres?
10.  Why is it advisable to not wear synthetic clothes while working near fire?