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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?
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उत्तर
Its common name is rayon. Rayon is often regarded as artificial silk.
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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 |
Synthetic fibre is also called _______ fibre.
List the advantages of synthetic fibres.
The world’s most valuable fiber is ______.
Choose the odd one:
The material similar to silk in appearance is ______.
The most suitable material for the preparation of handles of cooking utensils is ______.
Cotton is a natural polymer. What is its chemical 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
