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General Knowledge :: General Science

  1. Monazite is an ore of

  2. A.

     Titanium

    B.

     Zirconium

    C.

     Iron

    D.

     Thorium


  3. Carbon, diamond and graphite are together called:

  4. A.

     Allotrope

    B.

     Isomers

    C.

     Isomorphs

    D.

     Isotopes


  5. Potassium nitrate is used in

  6. A.

     Medicine

    B.

     Fertilizer

    C.

     Salt

    D.

     Glass


  7. Permanent hardness of water may be removed by the addition of:

  8. A.

     Sodium Carbonate

    B.

     Alum

    C.

     Potassium Permanganate

    D.

     Lime


  9. Soda water contains

  10. A.

     Carbonic acid

    B.

     Sulphuric acid

    C.

     Carbon dioxide

    D.

     Nitrous acid


  11. The most important ore of aluminum is

  12. A.

     Galena

    B.

     Calamine

    C.

     Calcite

    D.

     Bauxite


  13. Most soluble in water is:

  14. A.

     Camphor

    B.

     Sulphur

    C.

     Common salt

    D.

     Sugar


  15. Which of the following was to be discovered first in the chromospheres of the sun?

  16. A.

     Krypton

    B.

     Xenon

    C.

     Neon

    D.

     Helium


  17. Which of the following is in liquid form at room temperature?

  18. A.

     Lithium

    B.

     Sodium

    C.

     Francium

    D.

     Cerium


  19. Sodium metal is kept under:

  20. A.

     Petrol

    B.

     Alcohol

    C.

     Water

    D.

     Kerosene