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General Knowledge :: Chemistry

  1. Which one of the following minerals is found in Monazite sand ?

  2. A.

     Potassium

    B.

     Uranium

    C.

     Thorium

    D.

     Sodium


  3. Which of the following is the main compound of voter ink?

  4. A.

     Silver nitrate

    B.

     Ammonium Chloride

    C.

     Silver Chloride

    D.

     Ammonium Nitrate


  5. The heaviest naturally occurring element is:

  6. A.

     Mercury

    B.

     Polonium

    C.

     Thorium

    D.

     Uranium


  7. In which of the following ions , the colour is not due to d-d transition ?

  8. A.

     [Ti(H2O)6]3+

    B.

     [CoF6]3+

    C.

     [CrO4]2−

    D.

     [Cu(NH3)4]2+


  9. What is Zeolite?

  10. A.

     Hydrated Aluminosilicate

    B.

     Hydrated Calcium Sulphate

    C.

     Dehydrated Aluminosilicate

    D.

     Dehydrated Calcium Sulphate


  11. The coordination number of body centered atom in cubic structure is

  12. A.

     4

    B.

     6

    C.

     8

    D.

     10


  13. The product, 9-nitroanthracene is obtained from anthracene by the action of

  14. A.

     Nitric acid and acetic anhydride

    B.

     Nitric acid and ethyl alcohol

    C.

     Nitric acid and acetic acid

    D.

     Nitric acid in excess


  15. Cyanide poisoning causes death in seconds because

  16. A.

     It denatures enzymes of the heart/muscle

    B.

     It breaks the electron transport chain

    C.

     It causes Lysis of red blood cells

    D.

     It causes cardiac arrest


  17. Peroxyacetyl nitrate is a

  18. A.

     Acidic dye

    B.

     Plant hormone

    C.

     Vitamin

    D.

     Secondary pollutant


  19. What is used in storage batteries?

  20. A.

     Copper

    B.

     Tin

    C.

     Lead

    D.

     Zinc