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Polymers Test -...

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  • Question 1
    1 / -0

    Match column I with column II.

    Column I Column II
    P. Non-stick coating(i). Melamine
    Q. Flame resistant(ii). Polystyrene
    R. First fully synthetic fibre(iii). Teflon
    S. Thermoplastic(iv). Nylon
    Choose the correctly matched option.

  • Question 2
    1 / -0

    Identify the fibres, $$P,\,Q$$ and $$R$$ using the given hints.
    $$P.\;\;$$ It does not get wrinkled easily, remains crisp and is easy to wash.
    $$Q.\;\;$$ It was the first fully synthetic fibre.
    $$R.\;\;$$ Although it is obtained from a natural source, yet it is a man-made fibre.

  • Question 3
    1 / -0

    Match the terms of column A correctly with the phrases given in column B.

    Column-AColumn-B
    (i) Polyester(a) Prepared by using wood pulp
    (ii) Teflon(b) Used for making parachutes and stockings
    (iii) Rayon(c) Electrical switches
    (iv) Nylon(d) Fabrics do not wrinkle easily
    (v) Bakelite(e) Fire resistant clothes
    (vi) Melamine(f) Used to make non-stick cookwares

  • Question 4
    1 / -0

    Fomaldehyde is the starting material for the manufacture of :

  • Question 5
    1 / -0

    Sulphur is used in:

  • Question 6
    1 / -0

    The process by which smaller molecules combine to give a molecule with a higher molecular weight is known as :

  • Question 7
    1 / -0

    The cross-linked polymers possess the property of:

  • Question 8
    1 / -0

    Nylon-66 is a _____.

  • Question 9
    1 / -0

    What is Modacrylic?

  • Question 10
    1 / -0

    Which of the following is a blended fibre?

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