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Question
Give reason.
Why umbrellas are made up of synthetic clothes?
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Solution
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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RELATED QUESTIONS
Mark (✓) the correct answer:
Rayon is different from synthetic fibres because
Fill in the blanks with appropriate words.
Synthetic fibres are synthesised from raw materials called ______
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.
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The synthetic fibres are also known as ______ fibres.
The first fully synthetic fibre was ______.
Write the importance of synthetic polymers in our life.
