GENERAL KNOWLEDGE | QUIZ | CHEMISTRY | 19 | QUESTIONS BASED ON CHEMISTRY

DIRECTIONS : Questions based on Chemistry.

91.     Which among the following gases is used to manufacture chloroform?
      A.  Methane
      B.  Propane
      C.  Ether
      D.  Radon
 Ans: A.

92.     Which metal was first used by man?
      A.  Aluminium
      B.  Gold
      C.  Iron
      D.  Brass
 Ans: A.

93.     Deep blue colour is imported to glass by the presence of
      A.  Cupric oxide
      B.  Ferrous oxide
      C.  Cobalt oxide
      D.  Nickel oxide


Ans: C.

94.     What is the most common soil in sea water?
      A.  Sodium chloride
      B.  Calcium carbonate
      C.  Potassium chloride
      D.  Magnesium sulphate
 Ans: A.

95.     Select the one which is not a mixture?
      A.  Air
      B.  Gasoline
      C.  LPG
      D.  Distilled water
Ans: D.