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प्रश्न
Define fibres.
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उत्तर
Polymeric solids which form threads are called fibres.
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संबंधित प्रश्न
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\[\begin{array}{cc}\ce{- (CH2 - CH -)_\text{n}}\\
\phantom{.....}|\\\ce{\phantom{.......}CN}\end{array}\]
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