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Chemistry Questions and Answers

General Science
153. Which of the following fibres is least prone to fire?
 
  • A. terry Cott
  • B. nylon
  • C. cotton
  • D. rayon
 
 
154. Camphor can easily be purified by the process of
 
  • A. distillation
  • B. sedimentation
  • C. sublimation
  • D. crystallization
 
155. Periodic table was given by
 
  • A. Arrhenius
  • B. Lavoiser
  • C. Mendeleev
  • D. Faraday
 
156. The gas which is responsible for the rise in the mean temperature of the world is
 
  • A. sodium oxide
  • B. nitrogen
  • C. carbon dioxide
  • D. oxygen