Science Quiz: Purification and analysis of organic compounds MCQ Part 19 | Chemistry Notes Info - Your Chemistry Tutor provide notes for Classes, BSc, MSc, Chemistry Test

Science Quiz: Purification and analysis of organic compounds MCQ Part 19

Purification and analysis of organic compounds MCQ


These are some of the random multiple question answers from Purification and analysis of organic compounds...

1. Anthracene is purified by which method :

  Distillation
  Sublimation
  Filtration
  Crystallisation



2.  A bottle containing two immiscible liquids. These liquids may be separated by using a :

  Separating funnel
  Vacuum distillation
  Fractionating coloumn
  Steam distillation



3.  When Lamery proposed his classifications of substances in the year 1675 the substance not know among the following was :

  Wine
  Iron
  Cane sugar
  Penicillin



4.  In laboratory, first organic compound was synthesized by_________  :

  Hennel
  Wohler
  Liebig
  Kekule



5. A mixture of oil and water is separated by which method:

  Sublimation
  Filtration
  Using separating funnel
  Fractional distillation



6. First organic compound to be synthesised was ________:

  Cane sugar
  Acetic acid
  Urea
  Methane



7.  Separation of two substance by fractional crytallisation depends upon their differences in the__________ :

  Crystalline shape
  Solubility
  Volatility
  Densities

8. Impure naphthalene is purified by which method  :

  Sublimation
  Fractional distillation
  Soxhlet extraction
  Fractional crystallization

9.  Which of the following not sublimate :

  Chlorine
  Bebzoic acid
  Camphor
  Naphthalene

10. Aniline is purified by which method:

  Extraction with a solvent
  Vacuum distillation
  Simple distillation
  Steam distillation






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