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Chemistry 1999 WAEC Past Questions

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31
Equal volumes of water were added to one mole of each of the following compounds. Which of them produced the largest number of ions
  • A. Glucose
  • B. Sodium trioxonitrate (V)
  • C. Ethananoic acid
  • D. Silver chloride
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32
When dilute copper (ll) chloride solution is electrolysed, the reaction at the cathode is represented by the equation
  • A. Cu → Cu2+ + 2e-
  • B. Cu2+ + 2e- → Cu
  • C. 40H- - 4e- → O2 + 2H2O
  • D. 2CI- → CI2 + 2e
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33
How many carbon atoms are present in one molecule of 2-methylpropane?
  • A. 2
  • B. 3
  • C. 4
  • D. 5
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34
Which of the following is the most reactive towards bromine?
  • A. Methane
  • B. Benzene
  • C. Ethyne
  • D. Hexane
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35
Which of the following compounds is unsaturated?
  • A. 2-methylbutane
  • B. Chloromethane
  • C. Methylbenzene
  • D. 1,2-dibromoethane
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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