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TNPSC Chemistry Gk Questions and Answers

General Science
9. Trimethyl benzene is called as
 
  • A. Pyrogallol
  • B. Mesitylene
  • C. Catechol
  • D. Mesityl oxide
Answer: B.
Mesitylene
 
10. When sodium acetate is heated with sodalime, it gives
 
  • A. Ethane
  • B. Ethanol
  • C. Methanol
  • D. Methane
Answer: D.
Methane
 
 
11. Which of the following gases makes the major proporation of air?
 
  • A. Nitrogen
  • B. Oxygen
  • C. Carbon dioxide
  • D. Argon
Answer: A.
Nitrogen
 
12. The solute in a solution can be separated by
 
  • A. Solute
  • B. Solvent
  • C. Absorbent
  • D. None of these
Answer: B.
Solvent