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Polymers Test -...

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  • Question 1
    1 / -0

    Rubber is heated with sulphur and the process is known as:

  • Question 2
    1 / -0

    When 280 gm of ethylene polymerises to polyethene according to the equation. 


    $$nCH_2=CH_2 \longrightarrow -(CH_2-CH_2)_n-$$

    The weight and mole of polyethylene formed will be:

  • Question 3
    1 / -0

    Which among the following is not a natural polymer?

  • Question 4
    1 / -0

    Which of the following are polyesters?

    Cotton, Terylene, Nylon, PET, Rayon, Acrylic.

  • Question 5
    1 / -0

    PP (Polypropylene) is used for making _____________.

  • Question 6
    1 / -0

    Pick out the incorrect statement amongst the following.

  • Question 7
    1 / -0

    Natural rubber is heated with an element X to make it hard, strong and more elastic. X is:

  • Question 8
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    Rubber is hardened for making tyres by:

  • Question 9
    1 / -0

    The monomer of Buna-S are:

  • Question 10
    1 / -0

    When formaldehyde is heated with phenol in the presence of an alkali, the product formed is:

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