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प्रश्न
Explain why some fibres are called synthetic.
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उत्तर
There are some fibres that are prepared by man by using chemicals. These are called synthetic fibres. These are made of small units that join together to form long chains. Examples of synthetic fibres are rayon, nylon, polyester, acrylic, etc.
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संबंधित प्रश्न
Fill in the blanks with appropriate words.
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Anory
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