GENERAL KNOWLEDGE | QUIZ | CHEMISTRY | 6 | QUESTIONS BASED ON CHEMISTRY

DIRECTIONS : Questions based on Chemistry.

26.     Which one of the following types of glass can cut off ultraviolet rays?
      A.  soda glass
      B.  pyrex glass
      C.  jena glass
      D.  crookes glass
 Ans: D.

27.     The major ingrediation of leather is
      A.  Carbohydrate
      B.  Collagen
      C.  Polymer
      D.  nuclei acid
 Ans: B.

28.     Which one of the following metals is found in plaster of paris?
      A.  Calcium
      B.  Magnesium
      C.  Pottasium
      D.  Sodium
 Ans: A.

29.     The oxide of Nitrogen used in medicine as anaesthetic is
      A.  Nitrogen dioxide
      B.  Nitric oxide
      C.  Nitrous oxide
      D.  Nitrogen pentoxide
 Ans: D.

30.     Which variety of coal contains the highest percentage of carbon?
      A.  Anthracite
      B.  Peat
      C.  Bituminous
      D.  Lignite
Ans: A.