Home / General Knowledge / Chemistry :: section-17

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


  3. Bakelite is a co-polymer of Phenol and

  4. A.

     Formaldehyde

    B.

     Acetaldehyde

    C.

     Benzaldehyde

    D.

     Cinnaldehyde


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

  6. A.

     Nylon

    B.

     PVC

    C.

     Polythene

    D.

     Polystyrene


  7. The polymer used in making plastic crockery is

  8. A.

     Decron

    B.

     Nylon

    C.

     Bakelite

    D.

     Melamine


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

  10. A.

     Methane

    B.

     Styrene

    C.

     Acetylene

    D.

     Ethylene


  11. Natural rubber is the polymer of :

  12. A.

     Isoprene

    B.

     Styrene

    C.

     Butadiene

    D.

     Ethylene


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

  14. A.

     Isoprene

    B.

     Vinyl Chloride

    C.

     Acetylene

    D.

     Neoprene


  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


  17. A polymeric substance used to make parachute is

  18. A.

     Rayon

    B.

     Viscose

    C.

     Cotton

    D.

     Terylene


  19. PVC is obtained by the polymerisation of

  20. A.

     Propane

    B.

     Vinyl chloride

    C.

     Styrene

    D.

     Acetylene