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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
Fill in the blanks with appropriate words.
Synthetic fibres are also called ______ or _______ fibres.
Fill in the blanks with appropriate words.
Synthetic fibres are synthesised from raw materials called ______
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 and disadvantages of synthetic fibres.
What do you mean by synthetic fiber?
Cotton is a natural polymer. What is its chemical name?
Unscramble the jumbled words given below, related to synthetic material.
anory
Write an activity to show that synthetic fibres are stronger than the cotton fibres.
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?
