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Chemistry 2009 WAEC Past Questions

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26
Which of the following dilute acids does not react with metals to liberate hydrogen?
  • A. CH3COOH(aq)
  • B. HCI(aq)
  • C. H2SO4(aq)
  • D. HNO3(aq)
View Answer & Discuss (2) WAEC 2009
27
Which of the following compounds is not a double salt?
  • A. Zn(OH)NO3
  • B. KAI(SO4)2
  • C. KCr(SO4)2
  • D. (NH4)2Fe(SO4)2
View Answer & Discuss WAEC 2009
28
Which of the following hydroxides will readily dissolved in water?
  • A. Cu(OH)2
  • B. NaOH
  • C. Pb(OH)2
  • D. Zn(OH)2
View Answer & Discuss (1) WAEC 2009
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29
Which of the following acids from normal salt only?
  • A. Tetraoxosulphate (IV) acid
  • B. Tetraoxophosphate (V) acid
  • C. Trioxonitrate (V) acid
  • D. Trioxosulphate (IV) acid
View Answer & Discuss (1) WAEC 2009
30
A solution that contains as much solute as it can dissolve at a given temperature is said to be
  • A. concentrated
  • B. saturated
  • C. supersaturated
  • D. unsaturated
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