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Explain why some fibres are called synth...

Explain why some fibres are called synthetic.

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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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Knowledge Check

  • Synthetic fibres are prepared from

    A
    Chemical compounds by the process of polymerization
    B
    Cellulose
    C
    protein
    D
    wool

  • Which of the following fibres is an example of a semi-synthetic polymer?

    A
    Rayon
    B
    Nylon
    C
    Polyester
    D
    Carbon fibre

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    Fill in the blanks. (i) A polymer is a chain of many small units joined together which are called ______. (ii) The synthetic fibres are also known as ______ fibres. (iii) The first fully synthetic fibre was ______. (iv) A fibre similar to wool is ______. (v) A plastic used for making crockery is ______.

    Answer true or false. Synthetic fibres are made by using petrochemical as raw materials.

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