Chemistry Quiz Questions and Answers

1. Which gas is used in filling electric bulbs?
  A.  Radon
  B.  Argon
  C.  Krypton
  D.  Neon
Answer
Ans: B
Argon
2. Sodium carbonate is manufactured by
  A. Haber's process
  B. Contact process
  C. Lead chamber process
  D. Solvay process
Answer
Ans: D
Solvay process
3. Baking powder is a mixture of
  A.  Sodium bicarbonate and common salt
  B.  Sodium carbonate and tartaric acid
  C.  Sodium bicarbonate and tartaric acid
  D.  Sodium carbonate and common salt
Answer
Ans: C
Sodium bicarbonate and tartaric acid
4. The percentage of nickel in nickel alloy for making radio valves is
  A.  2%
  B.  20%
  C.  30%
  D.  46%
Answer
Ans: D
46%
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