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Thursday, 02 April 2026
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Chemistry Past Questions and Answers

Jamb Chemistry Questions

Question 16:
An example of aliphatic unsaturated hydrocarbon is
  • A Pentane
  • B Butanol
  • C Propene
  • D Benzene
View Answer & Explanation
Question 17:
Which of the following has an isomer?
  • A C6H6
  • B C2H6
  • C C4H10
  • D C2H4
View Answer & Explanation
Question 18:
CH3 - CH2 - C CH
The hybridization in the compound above is
  • A Sp2
  • B Sp
  • C Sp3 and sp2
  • D Sp3 and sp
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Question 19:
One mole of a hydrocarbon contains 36g of carbon and its vapour density is 20. The structure of the hydrocarbon is
  • A CH3C ≡ CH
  • B CH3CH = CH2
  • C CH3CH2C ≡ CH
  • D CH3CH2 CH3
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Question 20:
An emulsion may be produced by shaking a detergent solution with
  • A Palm wine
  • B Ethanoic acid
  • C Palm oil
  • D Water
View Answer & Explanation