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प्रश्न
Rana wants to buy shirts for summer. Should he buy cotton shirts or shirts made from synthetic material? Advise Rana, giving your reason.
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उत्तर
Rana should buy shirts made from cotton. This is because cotton is a good absorber of water. It can soak the sweat coming out of our body and expose it to the environment. Thus, it helps in evaporating the liquid (sweat), thereby cooling our body.
संबंधित प्रश्न
Explain why some fibres are called synthetic.
Give examples which indicate that nylon fibres are very strong.
‘Manufacturing synthetic fibres is actually helping conservation of forests’. Comment.
Beans and peas are pulses.
Give reason.
Why umbrellas are made up of synthetic clothes?
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.
Pick the synthetic fibre out of the following.
The synthetic fibres are also known as ______ fibres.
Indicate whether the following statement is True or False. Also write the false statement in their correct form.
It is risky to wear synthetic clothes while working in the kitchen
______ is a synthetic fibre which is strong and elastic that it has the ability to bounce.
