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General Knowledge :: Chemistry

  1. Which of the following is a renewable source of energy ?

  2. A.

     Coal

    B.

     Geothermal power

    C.

     Natural gas

    D.

     Uranium

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  3. Gobar gas contains mainly :

  4. A.

     Methane

    B.

     Ethylene

    C.

     Propylene

    D.

     Acetylene

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  5. Gobar gas mainly contains

  6. A.

     Carbon dioxide

    B.

     Carbon monoxide

    C.

     Hydrogen sulphide

    D.

     Methane

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  7. The main constituent of biogas is

  8. A.

     Oxygen

    B.

     Methane

    C.

     Acetic acid

    D.

     Methyl alcohol

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  9. An example of replenishable energy source is–

  10. A.

     Coal

    B.

     Petroleum

    C.

     Lignite

    D.

     Biomass

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  11. For generation of biogas, the materials commonly used are

  12. A.

     Animal wastes

    B.

     Crop residues

    C.

     Aquatic plants

    D.

     Forest residues

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  13. The main constituent of natural gas is

  14. A.

     Methane

    B.

     Ethane

    C.

     Butane

    D.

     Propane

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  15. Which of the following is biodegradable ?

  16. A.

     Paper

    B.

     D.D.T.

    C.

     Aluminium

    D.

     Plastic

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  17. Which of the following is a commercial source of energy?

  18. A.

     Agricultural waste

    B.

     Dried dung

    C.

     Sun

    D.

     Natural gas

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  19. Which of the following is not a commercial source of energy?

  20. A.

     Coal

    B.

     Petroleum

    C.

     Natural Gas

    D.

     Firewood

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