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प्रश्न
Give reason.
Why umbrellas are made up of synthetic clothes?
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उत्तर
Umbrellas are made up of synthetic clothes because synthetic fibres are more hydrophobic than natural fibres. Nylon and polyester, the two fabrics most commonly used in umbrellas. Synthetic is not naturally absorbed water like natural fibres. (Cotton, wool).
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संबंधित प्रश्न
Explain why some fibres are called synthetic.
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 ______
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 |
Complete the Analogy:
______: Films:: Nylon: Fishing nets.
What do you mean by synthetic fiber?
Pick the synthetic fibre out of the following.
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
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.
