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General Knowledge :: Chemistry

  1. Which one of the following contributes largely to the ‘green house effect’ ?

  2. A.

     Ozone

    B.

     Carbon monoxide

    C.

     Carbon dioxide

    D.

     Water vapour


  3. An important green-house gas other than methane being produced from the agricultural fields is

  4. A.

     Nitrous oxide

    B.

     Ammonia

    C.

     Sulphur dioxide

    D.

     Arsine


  5. The gas which is mainly responsible for the green house effect is:

  6. A.

     Ozone

    B.

     Oxygen

    C.

     Carbon dioxide

    D.

     Carbon monoxide


  7. Chernobyl disaster is the result of pollution by

  8. A.

     Oil spill

    B.

     Acid rain

    C.

     Carbon dioxide

    D.

     Radioactive waste


  9. ‘Aerosol’ is known as

  10. A.

     Suspended solid particles in air

    B.

     Pollutant gas, present in air

    C.

     Microbes, present in air

    D.

     Green house gas present in air


  11. Match the List-I with List-II and select the correct answer using the codes given below the lists

    List-I (Green house gas)

    List-II(Major source)

    F.

    Carbondioxide

    1.

    Enteric fermentation in cattle

    G.

    Methane

    2.

    Burning of fossil

    H.

    Chloroflro carbons

    3.

    Mercury compounds in waste water

    J.

    Nitrous oxide

    4.

    Nylon production

    5.

    Air conditioner and refrigeration units

    Codes :

    F

    G

    H

    J

    A.

    2

    1

    5

    4

    B.

    3

    4

    2

    1

    C.

    3

    2

    4

    1

    D.

    1

    2

    3

    4

  12. A.

     A

    B.

     B

    C.

     C

    D.

     D


  13. Acid rain is caused by

  14. A.

     SO2 and particulates

    B.

     NO2and particulates

    C.

     CO2and CFCs

    D.

     SO2 and NO2


  15. The Bhopal gas tragedy was caused by the gas

  16. A.

     Methyl chloride

    B.

     Methyl Isocyanide

    C.

     Methyl Isocyanate

    D.

     Methyl Cyanide


  17. The Bhopal tragedy was caused by the gas

  18. A.

     Phosgene

    B.

     Carbon monoxide

    C.

     Methyl isocyanate

    D.

     Chlorine


  19. Which of the following caused radioactive pollution along the coast of Kerala ?

  20. A.

     Plutonium

    B.

     Zinc

    C.

     Thorium

    D.

     Radium