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General Knowledge :: General Science

General Science - section-1
General Science - section - 2
General Science - Measurements
General Science - Nuclear Science
General Science - Elements and Metals
General Science - Synthetic Materials
  1. Which of the following are the ingredients of gun metal?

    2. A.

     Iron, Zinc and Titanium
    B.

     Iron and Tin
    C.

     Iron, Brass and Tin
    D.

     Copper, Tin and Zinc

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  2. From which mineral is radium obtained?

    3. A.

     Rutile
    B.

     Haematite
    C.

     Limestone
    D.

     Pitchblende

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  3. What is laughing gas?

    4. A.

     Nitrous Oxide
    B.

     Carbon monoxide
    C.

     Sulphur dioxide
    D.

     Hydrogen peroxide

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  4. Actinides are the elements with atomic numbers from

    5. A.

     97 to 104
    B.

     101 to 115
    C.

     89 to 103
    D.

     36 from 43

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  5. The two elements that are frequently used for making transistors are:

    6. A.

     Boron and Aluminium
    B.

     Silicon and Germanium
    C.

     Iridium and Tungsten
    D.

     Niobium and Columbium

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  6. The filament of an electric bulb is made of

    7. A.

     Tungsten
    B.

     Nichrome
    C.

     Graphite
    D.

     Iron

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  7. Diamond is an allotropic form of:

    8. A.

     Germanium
    B.

     Carbon
    C.

     Silicon
    D.

     Sulphur

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  8. In fireworks, the green flame is produced because of

    9. A.

     Sodium
    B.

     Barium
    C.

     Mercury
    D.

     Potassium

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  9. Permanent hardness of water can be removed by adding:

    10. A.

     Chlorine
    B.

     Washing Soda
    C.

     Potassium Permanganate
    D.

     Bleaching Powder

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  10. Marsh gas is

    11. A.

     Nitrogen
    B.

     Ethane
    C.

     Methane
    D.

     Hydrogen

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