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Chemistry 1991 WAEC Past Questions

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31

An organic compound which reacts readily with bromine to form a compound with the formula CH3CHBrCH2Br is

  • A. ethene
  • B. propane
  • C. butane
  • D. propene
  • E. propyne
View Answer & Discuss (10) WAEC 1991
32
river contaminated by alkali waste will have a pH of about.
  • A. 1
  • B. 3
  • C. 5
  • D. 7
  • E. 9
View Answer & Discuss (2) WAEC 1991
33
In solution, aminoethanoic acid (glycine) can be represented as NH+3 CH2COO. This implies that it
  • A. is soluble in all inorganic liquids
  • B. can function as a weak acid or a weak base
  • C. does not form salt with mineral acids
  • D. is highly acidic
  • E. cannot form esters with alkanols
View Answer & Discuss WAEC 1991
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34
Hydrogen is used for the following except
  • A. manufacturing of ammonia
  • B. synthesis of hydrochloric acid
  • C. extinguishing fire
  • D. conversion of coal to petrol
  • E. manufacture of margarine
View Answer & Discuss (4) WAEC 1991
35
Which of the following is suitable for determining different isotopes present in an element which exhibits isotopy?
  • A. Sensitive weighing balance
  • B. Cathoda ray tube
  • C. Mass spectrometer
  • D. Geiger muller counter
  • E. Eudiometer
View Answer & Discuss (4) WAEC 1991
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