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प्रश्न
Fill in the blanks with appropriate words.
Synthetic fibres are synthesised from raw materials called ______
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उत्तर
Synthetic fibres are synthesised from raw materials called petrochemicals.
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संबंधित प्रश्न
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 |
‘Manufacturing synthetic fibres is actually helping conservation of forests’. Comment.
Give reason.
Why umbrellas are made up of synthetic clothes?
A synthetic fibre which has similar properties to wool is______.
The world’s most valuable fiber is ______.
Complete the Analogy:
______: Films:: Nylon: Fishing nets.
The synthetic fibres are also known as ______ fibres.
The first fully synthetic fibre was ______.
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
Write an activity to show that synthetic fibres are stronger than the cotton fibres.
