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प्रश्न
Mark (✓) the correct answer:
Rayon is different from synthetic fibres because
विकल्प
it has a silk like appearance
it is obtained from wood pulp
its fibres can also be woven like those of natural fibres
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उत्तर
Rayon is different from synthetic fibres because it is obtained from wood pulp.
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 ______
Give examples which indicate that nylon fibres are very strong.
Rana wants to buy shirts for summer. Should he buy cotton shirts or shirts made from synthetic material? Advise Rana, giving your reason.
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.
Which of the following groups contain all synthetic substances?
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?
Unscramble the jumbled word given below, related to synthetic material.
Anory
Write the importance of synthetic polymers in our life.
