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Wednesday, 01 April 2026
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Chemistry Past Questions and Answers

Chemistry Questions

Question 1596:
The correct order of increasing boiling points of the following compounds C3H7OH, C7H16 and C4H10 is
  • A C3H7OH → C4H10 → C7H10
  • B C4H10 → C7H16 → C3H7OH
  • C C7H16 → C3H7OH → C4H10
  • D C4H10 → C3H7OH → C7H16
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Question 1597:
One of the major uses of alkane is
  • A As domestic and industrial fuel
  • B In the hydrogenation of oils
  • C In the textile industries
  • D In the production of plastics
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Question 1598:
The haloalkanes used in dry-cleaning industries are
  • A Trichloromethane and tetrachloromethane
  • B Chloroethene and dichloroethene
  • C Trichloroethene and tetrachloroethene
  • D Chloroethane and dichloroethene
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Question 1599:
Two hydrocarbons X and Y were treated with bromine water. X decolorised the solution and Y did not not. Which class of compound does Y belong?
  • A Benzene
  • B Alkynes
  • C Alkenes
  • D Alkanes
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Question 1600:
The compound that is used as an anaesthetic is
  • A CCl4
  • B CH Cl3
  • C CH2Cl2
  • D CH3Cl
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