Home / General Knowledge / Chemistry :: section-4

General Knowledge :: Chemistry

  1. Indane gas is mixture of

  2. A.

     Butane and hydrogen

    B.

     Butane and oxygen

    C.

     Butane and propane

    D.

     Methane and oxygen


  3. The charcoal used to decolourise brown sugar solution is

  4. A.

     Wood charcoal

    B.

     Coconut charcoal

    C.

     Animal charcoal

    D.

     Sugar charcoal


  5. The major component in the LPG is

  6. A.

     Methane

    B.

     Butane

    C.

     Ethane

    D.

     Propane


  7. Domestic cooking gas consists mostly of

  8. A.

     Methane and ethane

    B.

     Liquified butane and isobutane

    C.

     Hydrogen and acetylene

    D.

     Ethylene and carbon monoxide


  9. Which one of the following is known as the 'brown coal'?

  10. A.

     Anthracite

    B.

     Bituminous

    C.

     Coke

    D.

     Lignite


  11. L.P.G. is mostly liquefied

  12. A.

     Hydrogen

    B.

     Oxygen

    C.

     Butane

    D.

     Methane


  13. Which one of the following is not coal variety?

  14. A.

     Lignite

    B.

     Bituminous

    C.

     Dolomite

    D.

     Peat


  15. Which of the following is used to increase the anti-knocking property of petrol ?

  16. A.

     Tetramethyl lead

    B.

     Tetraethyl lead

    C.

     Trimethyl lead

    D.

     Triethyl lead


  17. The quality of petrol is expressed in terms of

  18. A.

     Cetane number

    B.

     Gold number

    C.

     Octane number

    D.

     Added unlead compounds


  19. Which of the following type of coal has the lowest proportion of volatile matter ?

  20. A.

     Lignite

    B.

     Peat

    C.

     Bituminous

    D.

     Anthracite