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प्रश्न
Fill in the blanks with appropriate words.
Synthetic fibres are also called ______ or _______ fibres.
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उत्तर
Synthetic fibres are also called artificial or man-made fibres.
संबंधित प्रश्न
Explain why some fibres are called synthetic.
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 |
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 ______.
The artificial fibers are also known as ______.
Write the uses of synthetic fibers.
Cotton is a natural polymer. What is its chemical name?
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?
Indicate whether the following statement is True or False. Also write the false statement in their correct form.
It is risky to wear synthetic clothes while working in the kitchen
______ is a synthetic fibre which is strong and elastic that it has the ability to bounce.
