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Thursday, 02 April 2026
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Chemistry Past Questions and Answers

Jamb Chemistry Questions

Question 41:
A cracking process in petroleum refining can be represented by
  • A Heptane to heptene
  • B Heptane to 3-methylhexane
  • C Heptane to propene and butane
  • D Heptane to 2,3,3-trimethybutane
View Answer & Explanation
Question 42:
Which of the following molecules has two other positional isomers?
  • A CH3CH2Br
  • B CH3CHBrCH3
  • C CBr2F2
  • D CH2CHBrCH2Br
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Question 43:
Which of the following class of compounds can exist as dipolar ions in solution?
  • A Alkanoic acid
  • B Fatty acids
  • C Dialkanoic acids
  • D Amino acids
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Question 44:
Lucas reagent is used to test for
  • A Alkanes
  • B Alkanoic acids
  • C Alkanols
  • D Amines
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Question 45:
A compound commonly used for sterilization and preservation of specimens and food is
  • A Ethanol
  • B Benzene
  • C Ether
  • D Ammonia
View Answer & Explanation