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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 |
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उत्तर
| A | B | ||
| 1 | Polyester | d | Fabrics do not wrinkle easily |
| 2 | Teflon | c | Used to make non-stick cookware |
| 3 | Rayon | a | Prepared by using wood pulp |
| 4 | Nylon | b | Used for making parachutes and stockings |
संबंधित प्रश्न
Explain why some fibres are called synthetic.
‘Manufacturing synthetic fibres is actually helping conservation of forests’. Comment.
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.
Choose the odd one:
Pick the synthetic fibre out of the following.
The most suitable material for the preparation of handles of cooking utensils is ______.
Which of the following groups contain all synthetic substances?
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?
Write the importance of synthetic polymers in our life.
