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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.
True or False
It is good to wear clothes made of synthetic fibres while cooking.
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.
List the advantages of synthetic fibres.
The world’s most valuable fiber is ______.
The most suitable material for the preparation of handles of cooking utensils is ______.
Cotton is a natural polymer. What is its chemical name?
Write the importance of synthetic polymers in our life.
______ 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?
