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प्रश्न
A synthetic fiber which looks like silk is obtained by chemical treatment of wood pulp. It is, therefore, known as artificial silk. What is its common name?
उत्तर
Its common name is rayon. Rayon is often regarded as artificial silk.
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संबंधित प्रश्न
Match the terms of column A correctly with the phrases given in column B.
| A | B | ||
| 1 | Polyester | a | Prepared by using wood pulp |
| 2 | Teflon | b | Used for making parachutes and stockings |
| 3 | Rayon | c | Used to make non-stick cookware |
| 4 | Nylon | d | Fabrics do not wrinkle easily |
Beans and peas are pulses.
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.
The world’s most valuable fiber is ______.
Pick the synthetic fibre out of the following.
The material similar to silk in appearance is
Which of the following groups contains all synthetic substances?
The synthetic fibres are also known as ______ fibres.
The first fully synthetic fibre was ______.
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?
