Question

2. Why is recycled plastic not used to store foodstuff?
3. Why is incineration of plastics a better method of disposal of plastics?
4. What do you mean by synthetic fibre? Describe its monomer and polymer
briefly.
5. What is rayon fibre? How is it prepared? Mention its uses also.
6. What do you understand by nylon fibre? Mention its properties and uses
briefly.
VII. Long Answer Questions.
1. What do you understand by polyester and acrylic fibre? How and why
is polyester blended with other fibres? Describe properties and uses of
polyester fibre.
2. (a) Mention some characteristics of synthetic fibres.
(b) How is pollution caused due to excessive use of plastics?
3. (a) What do you understand by plastics? Mention its kinds and characteristics
briefly. Write some commonly used plastics and their uses.
(b) Describe disposal of plastic waste and conservation action.​

Answer 1

Answer:

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