GENERAL KNOWLEDGE | QUIZ | CHEMISTRY | 20 | QUESTIONS BASED ON CHEMISTRY

DIRECTIONS : Questions based on Chemistry.

96.     Commercially, sodium bicarbonate is known as
      A.  Washing soda
      B.  Baking soda
      C.  Bleaching powder
      D.  Soda ash
 Ans: B.

97.     Acetyl salicylic acid is commonly used as
      A.  A pain killer
      B.  A sedative
      C.  Tear gas
      D.  A fertilizer
 Ans: A.

98.     Which metal is commonly used for making an electromagnet?
      A.  Copper
      B.  Cobalt
      C.  Iron
      D.  Nickel
 Ans: C.

99.     The gas that is responsible for global warming is
      A.  Carbon dioxide
      B.  Oxygen
      C.  Methane
      D.  Sulphur dioxide
 Ans: A.

100.     Which of the following is the source of common salt?
      A.  Bauxite
      B.  Pyrite
      C.  Calcite
      D.  Halite
Ans: D.