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प्रश्न
Mark (✓) the correct answer:
Rayon is different from synthetic fibres because
पर्याय
it has a silk like appearance
it is obtained from wood pulp
its fibres can also be woven like those of natural fibres
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उत्तर
Rayon is different from synthetic fibres because it is obtained from wood pulp.
संबंधित प्रश्न
Give examples which indicate that nylon fibres are very strong.
Give reason.
Why umbrellas are made up of synthetic clothes?
Crossword
Across
1. Fibre that is used as synthetic wool.
2. A plastic used for making water bottles.
3. A long chain made of small repeatingmonomers.
4. Another name for this semi-synthetic fibre is artificial silk.
Down
5. A type of fibre that is naturally obtained from a cocoon.
6. A synthetic fibre classified as polyester.
7. A polymer used for making rope.
Complete the Analogy:
______: Films:: Nylon: Fishing nets.
Write the uses of synthetic fibers.
The material similar to silk in appearance is ______.
The most suitable material for the preparation of handles of cooking utensils is ______.
Which of the following groups contain all synthetic substances?
Cotton is a natural polymer. What is its chemical name?
Ramya loves to were clothes made up of synthetic fibres. When she was working in the kitchen, her mother advised her not to wear synthetic clothes.
- Why does Ramya’s mother advise her not to wear synthetic clothes while working in the kitchen?
- Why does Ramya love to wear synthetic dresses?
