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  1. Monazite is an ore of

  2. A.

     Titanium

    B.

     Zirconium

    C.

     Iron

    D.

     Thorium

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  3. Carbon, diamond and graphite are together called:

  4. A.

     Allotrope

    B.

     Isomers

    C.

     Isomorphs

    D.

     Isotopes

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  5. Potassium nitrate is used in

  6. A.

     Medicine

    B.

     Fertilizer

    C.

     Salt

    D.

     Glass

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

  8. A.

     Sodium Carbonate

    B.

     Alum

    C.

     Potassium Permanganate

    D.

     Lime

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  9. Soda water contains

  10. A.

     Carbonic acid

    B.

     Sulphuric acid

    C.

     Carbon dioxide

    D.

     Nitrous acid

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  11. The most important ore of aluminum is

  12. A.

     Galena

    B.

     Calamine

    C.

     Calcite

    D.

     Bauxite

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  13. Most soluble in water is:

  14. A.

     Camphor

    B.

     Sulphur

    C.

     Common salt

    D.

     Sugar

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  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

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

  18. A.

     Lithium

    B.

     Sodium

    C.

     Francium

    D.

     Cerium

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  19. Sodium metal is kept under:

  20. A.

     Petrol

    B.

     Alcohol

    C.

     Water

    D.

     Kerosene

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