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Chemistry 1988 JAMB Past Questions

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21
Crude copper can be purified by the electrolysis of CuSO4(aq) if?
  • A. platinum electrodes are used
  • B. the crude copper is made the anode of the cell
  • C. the crude copper is made the cathode of the cell
  • D. crude copper electrodes are used
View Answer & Discuss (3) JAMB 1988
22
Methylethanoate reacts with ammonia to yield?
  • A. mettylamine and ethanol
  • B. ethylamine and methanol
  • C. methanamide and ethanol
  • D. ethanamide and methanol
View Answer & Discuss (2) JAMB 1988
23

Alkanoates are formed by the reaction of alkanoic acid with?

  • A. Alkyl halides
  • B. alkanols
  • C. ethers
  • D. sodium
View Answer & Discuss (4) JAMB 1988
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24
The four classes of hydrocarbons are?
  • A. ethane, ethene, ethyne and benzene
  • B. alkanes, alkenes, alkynes and aromatics
  • C. alkanes, alkenes, alkynes and benzene
  • D. methane, ethane , propane and butane
View Answer & Discuss (3) JAMB 1988
25
Which of the following compounds has the highest boiling point?
  • A. CH3CH2CH2CH2HO
  • B. CH3CH2CH2CHO
  • C. CH3CH2CH2CH3
  • D. CH3CH2OCH2CH3
View Answer & Discuss (1) JAMB 1988
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