Science

8th

grade

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Synthetic fibers and plastics

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15 questions

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  • 1. Multiple Choice
    20 seconds
    1 pt

    Select the disadvantage of synthetic fibers .

    Durable

    non - biodegradable

    Good elasticity

    light weight

    none of these

  • 2. Multiple Choice
    20 seconds
    1 pt

    Monomer of Rayon and Nylon respectively.

    Rayon - Amide , Nylon - cellulose

    Rayon - strongest , Nylon - Acrylonitrile

    Rayon- cellulose , Nylon- Amide

    none of the above

  • 3. Multiple Choice
    20 seconds
    1 pt

    Which item is easy to mould ?

    Cotton

    jute

    Acrylic

    Plastic

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