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प्रश्न
Which of the following groups contain all synthetic substances?
विकल्प
Nylon, Terylene, Wool
Cotton, Polycot, Rayon
PVC, Polythene, Bakelite
Acrylic, Silk, Wool
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उत्तर
PVC, Polythene, Bakelite
Explanation:
PVC, polythene and bakelite are synthetic substances.
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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 |
‘Manufacturing synthetic fibres is actually helping conservation of forests’. Comment.
Synthetic fibre is also called _______ fibre.
What do you mean by synthetic fiber?
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?
Unscramble the jumbled word given below, related to synthetic material.
Anory
Indicate whether the following statement is True or False. Also write the false statement in their correct form.
Synthetic fibres do not melt on heating
______ is a synthetic fibre which is strong and elastic that it has the ability to bounce.
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?
