Chemistry Quiz Questions and Answers

13. Cinnabar is an ore of
  A.  Zn
  B.  Pb
  C.  Hg
  D.  Cu
Answer
Ans: C
Hg
14. Gamma rays are
  A.  High energy electromagnetic
  B.  High energy positrons waves
  C.  High energy electrons
  D.  Low energy electrons
Answer
Ans: A
High energy electromagnetic
15. An aqueous solution of washing soda is
  A.  Acidic in nature
  B.  Neutral
  C.  Both acidic and basic
  D.  Alkaline in nature
Answer
Ans: D
Alkaline in nature
16. When the pH of a solution is zero, then it is
  A.  Neutral
  B.  Strongly acidic
  C.  Basic
  D.  Water
Answer
Ans: B
Strongly acidic
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