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General Knowledge :: Chemistry

  1. Cooking gas is a mixture of

  2. A.

     Methane and ethylene

    B.

     Carbon dioxide and oxygen

    C.

     Butane and propane

    D.

     Carbon monoxide and carbon dioxide


  3. Thermal electricity is generated by using which of these ?

  4. A.

     Coal only

    B.

     Coal and Natural Gas only

    C.

     Coal, Natural Gas and Petroleum

    D.

     None of these


  5. Which of the following is the major constituent of LPG?

  6. A.

     Methane

    B.

     Ethane

    C.

     Propane

    D.

     Butane


  7. Which variety of coal contains recognisable traces of the original plant material ?

  8. A.

     Anthracite

    B.

     Lignite

    C.

     Peat

    D.

     Bitumen


  9. Which of the following processes is used for the production of Biodiesel ?

  10. A.

     Transamination

    B.

     Transcription

    C.

     Transesterification

    D.

     Translation


  11. The chief source of naphthalene is

  12. A.

     Coal-tar

    B.

     Diesel

    C.

     Charcoal

    D.

     Camphor


  13. The gas that usually causes explosions in coal mines is

  14. A.

     Hydrogen

    B.

     Carbon monoxide

    C.

     Air

    D.

     Methane


  15. Submarines move under water. They have engines that run on

  16. A.

     Petrol and oxygen

    B.

     Diesel

    C.

     Batteries

    D.

     Steam


  17. Which is the highest quality of hard coal?

  18. A.

     Anthracite

    B.

     Bituminous

    C.

     Lignite

    D.

     Peat


  19. The main source of Naphthalene is

  20. A.

     Charcoal

    B.

     Camphor

    C.

     Coal-tar

    D.

     Diesel