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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. The tree sends down roots from its branches to the soil is know as:

    2. A.

     Oak
    B.

     Pine
    C.

     Banyan
    D.

     Palm

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  2. Electric bulb filament is made of

    3. A.

     Copper
    B.

     Aluminum
    C.

     Lead
    D.

     Tungsten

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  3. Brass gets discoloured in air because of the presence of which of the following gases in air?

    4. A.

     Oxygen
    B.

     Hydrogen Sulphide
    C.

     Carbon dioxide
    D.

     Nitrogen

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  4. Which of the following is a non metal that remains liquid at room temperature?

    5. A.

     Phosphorous
    B.

     Bromine
    C.

     Chlorine
    D.

     Helium

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  5. Chlorophyll is a naturally occurring chelate compound in which central metal is

    6. A.

     Copper
    B.

     Magnesium
    C.

     Iron
    D.

     Calcium

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  6. Which of the following is used in pencils?

    7. A.

     Graphite
    B.

     Silicon
    C.

     Charcoal
    D.

     Phosphorous

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  7. Which of the following metals forms an amalgam with other metals?

    8. A.

     Tin
    B.

     Mercury
    C.

     Lead
    D.

     Zinc

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  8. Chemical formula for water is

    9. A.

     NaA1O2
    B.

     H2O
    C.

     Al2O3
    D.

     CaSiO3

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  9. The gas usually filled in the electric bulb is

    10. A.

     Nitrogen
    B.

     Hydrogen
    C.

     Carbon dioxide
    D.

     Oxygen

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  10. Washing soda is the common name for

    11. A.

     Sodium Carbonate
    B.

     Calcium Bicarbonate
    C.

     Sodium Bicarbonate
    D.

     Calcium Carbonate

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