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Chemistry 1988 WAEC Past Questions

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1
Equilibrium is said to be attained in reversible reaction when
  • A. all the reactants have been used up
  • B. all the products have been formed
  • C. there is no further change in temperature
  • D. the rates of the forward and backward reactions are equal
  • E. the rate of formation of the products decreases with time
View Answer & Discuss (7) WAEC 1988
2
An acid present in proteins is
  • A. lactic acid
  • B. amino acid
  • C. propanoic acid
  • D. palmitic acid
  • E. stearic acid
View Answer & Discuss (5) WAEC 1988
3
The following are uses of sulphur except
  • A. manufacture of tetraoxosulphate (VI) acid
  • B. prevention of the growth of fungi
  • C. vulcanization rubber
  • D. manufacture of dyes
  • E. coating of steel to prevent rusting
View Answer & Discuss (2) WAEC 1988
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4
The reaction represented by the equation NaOH(aq) + HCI(aq) → NaCI(aq) + H2O(/)
  • A. is a double decomposition
  • B. is a neutralization
  • C. is reversible
  • D. is usually catalysed
  • E. attains equilibrium after a few seconds
View Answer & Discuss (3) WAEC 1988
5
Which of the following compound is aromatic?
  • A. Benzene
  • B. Cyclobutane
  • C. Cyclopentane
  • D. Hexane
  • E. Ethene
View Answer & Discuss (1) WAEC 1988
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