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प्रश्न
List the advantages and disadvantages of synthetic fibres.
उत्तर
| Advantages of synthetic fibres | Disadvantages of synthetic fibres | |
| 1. | Do not wrinkle easily and they keep their colour and brightness for a much longer time than natural fibres such as cotton. | synthetic fibres such as polyester is that they are not heat resistant and catch fire easily. |
| 2. | Using synthetic fibres such as nylon, is that they are stronger than many natural fibres such as silk or wool. | Most synthetic fibres absorb very little moisture and do not allow air circulation making them hot and uncomfortable to wear. |
| 3. | These fibres are strong and elastic which gives it the properties to bounce. | Synthetic fibres are made out of petrochemicals and last in the environment for a very long time. It break down into very small pieces called microplastics which cause pollution to soil and water bodies such as rivers, lakes and oceans. |
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संबंधित प्रश्न
Fill in the blanks with appropriate words.
Synthetic fibres are synthesised from raw materials called ______
Rana wants to buy shirts for summer. Should he buy cotton shirts or shirts made from synthetic material? Advise Rana, giving your reason.
‘Manufacturing synthetic fibres is actually helping conservation of forests’. Comment.
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.
What do you mean by synthetic fiber?
Write the uses of synthetic fibers.
Unscramble the jumbled words 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.
Write the importance of synthetic polymers in our life.
