Advertisements
Advertisements
प्रश्न
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
पर्याय
True
False
Advertisements
उत्तर
This statement is False.
Explanation:
Synthetic fibres melt on heating.
APPEARS IN
संबंधित प्रश्न
Mark (✓) the correct answer:
Rayon is different from synthetic fibres because
Give examples which indicate that nylon fibres are very strong.
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 |
A synthetic fibre which has similar properties to wool is______.
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.
The world’s most valuable fiber is ______.
Choose the odd one:
Pick the synthetic fibre out of the following.
The synthetic fibres are also known as ______ fibres.
Write the importance of synthetic polymers in our life.
