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General Knowledge :: Chemistry

  1. The buffer action of blood is due to the presence of

  2. A.

     HCI and NaCI

    B.

     CI and [CO3]2–

    C.

     CI and [HCO3]

    D.

     [HCO3] and H2CO3

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  3. Bakelite is a co-polymer of Phenol and

  4. A.

     Formaldehyde

    B.

     Acetaldehyde

    C.

     Benzaldehyde

    D.

     Cinnaldehyde

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  5. Which of the following is not an addition polymer?

  6. A.

     Nylon

    B.

     PVC

    C.

     Polythene

    D.

     Polystyrene

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  7. The polymer used in making plastic crockery is

  8. A.

     Decron

    B.

     Nylon

    C.

     Bakelite

    D.

     Melamine

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  9. The polymerisation of which often following is used in manufacturing of polythene in industry ?

  10. A.

     Methane

    B.

     Styrene

    C.

     Acetylene

    D.

     Ethylene

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  11. Natural rubber is the polymer of :

  12. A.

     Isoprene

    B.

     Styrene

    C.

     Butadiene

    D.

     Ethylene

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  13. The basic chemical building block of natural rubber obtained from trees is

  14. A.

     Isoprene

    B.

     Vinyl Chloride

    C.

     Acetylene

    D.

     Neoprene

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  15. The name of plastic polymer from which combs, toys, bowls etc., can be made, is

  16. A.

     Polyurethane

    B.

     Polystyrene

    C.

     Metallic polysulphides

    D.

     Teflon

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  17. A polymeric substance used to make parachute is

  18. A.

     Rayon

    B.

     Viscose

    C.

     Cotton

    D.

     Terylene

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  19. PVC is obtained by the polymerisation of

  20. A.

     Propane

    B.

     Vinyl chloride

    C.

     Styrene

    D.

     Acetylene

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