8th Class Science Synthetic Fibers and Plastics Question Bank Synthetic Fibres and Plastics

  • question_answer
    A few polymers are grouped together on the basis of some common property as follows:
    Group I: Rayon, acrylic, nylon, jute
    Group II: PVC, melamine, teflon
    Group III: Polycot, terrywool, acrylic Choose the odd one out in group I, II and III.
     

    A)
    I II III
    Rayon Teflon Terrywool
     

    B)
    I II III
    Nylon Teflon Acrylic
     

    C)
    I II III
    Jute Melamine Terrywool
     

    D)
    I II III
    Jute Melamine Acrylic
     

    Correct Answer: D

    Solution :

    Group I: Jute is a natural fibre while others are synthetic. Group II: Melamine is a thermosetting polymer while others are thermoplastics. Group III: Acrylic is not a blended fibre.


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