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Tuesday, 11 August 2026
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Chemistry Past Questions and Answers

Post Utme Chemistry Questions

Question 721:
The name “propyne” indicates:
  • A Hydroxyl group present
  • B Carboxyl group present
  • C Triple bond present
  • D Double bond present
View Answer & Explanation
Question 722:
Which factor can shift equilibrium position in gaseous systems:
  • A Catalyst addition
  • B Container texture
  • C Pressure variation
  • D Electrode colour
View Answer & Explanation
Question 723:
The prefix “dec-” represents:
  • A Eight carbon atoms
  • B Seven carbon atoms
  • C Ten carbon atoms
  • D Nine carbon atoms
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Question 724:
The formula C₅H₈ belongs to:
  • A Pentyne
  • B Pentanol
  • C Pentene
  • D Pentane
View Answer & Explanation
Question 725:
The formula CH₃OH belongs to:
  • A Methyne
  • B Methane
  • C Methene
  • D Methanol
View Answer & Explanation