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Question
‘Manufacturing synthetic fibres is actually helping conservation of forests’. Comment.
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Solution
Raw materials for natural fibres are mainly derived from plants and this means cutting a lot of trees. This leads to deforestation. But raw materials of synthetic materials are mainly petrochemicals. Hence, manufacturing synthetic fibres helps in the conservation of forests.
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Rayon is different from synthetic fibres because
Fill in the blanks with appropriate words.
Synthetic fibres are also called ______ or _______ fibres.
Give examples which indicate that nylon fibres are very strong.
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 |
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Pick the synthetic fibre out of the following.
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The first fully synthetic fibre was ______.
Ramya loves to were clothes made up of synthetic fibres. When she was working in the kitchen, her mother advised her not to wear synthetic clothes.
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