GENERAL KNOWLEDGE | QUIZ | CHEMISTRY | 17 | QUESTIONS BASED ON CHEMISTRY

DIRECTIONS : Questions based on Chemistry.

81.     The iron layered with zinc is called
      A.  Pig iron
      B.  Cost iron
      C.  Galvanised iron
      D.  Steel
 Ans: C.

82.     When quick lime is added to water
      A.  Heat is liberated
      B.  Heat is absorbed
      C.  Temperature decreases
      D.  No heat change takes place
 Ans: A.

83.     The cathode of a lead storage battery is made up of
      A.  Zinc
      B.  Lead oxide
      C.  Manganese dioxide
      D.  Lead
 Ans: D.

84.     Vinegar is trade name of
      A.  Acetic acid
      B.  Chloroform
      C.  Ethyl alcohol
      D.  Carbon tetrachloride
 Ans: A.

85.     Which of the following elements behave chemically both as metal and non metal?
      A.  Boron
      B.  Argon
      C.  Carbon
      D.  Xenon
Ans: A.