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Chemistry 2007 WAEC Past Questions

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31

Consider the reaction below: Vegetable oil \(\frac{H2;NI catalyst}{High temperature}\) product. The reaction is applied in the manufacture of?

  • A. drugs
  • B. margarine
  • C. paraffin wax
  • D. soapy detergents
View Answer & Discuss (1) WAEC 2007
32
Which of the following compounds reacts readily with sodium to liberate hydrogen?
  • A. CH3CH2CH3
  • B. CH3COOH
  • C. CH3 CH2CHO
  • D. CH3 CH(OH)CH3
View Answer & Discuss (4) WAEC 2007
33
Glucose reduces Fehling's solution on warming to
  • A. copper (l) oxide
  • B. copper (ll) oxide
  • C. copper (l) chloride
  • D. copper (ll) hydroxide
View Answer & Discuss (2) WAEC 2007
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34
from the following ores is iron extracted? I. Haematite ll. Bauxite III. Magnetite IV. Cassiterite
  • A. l and ll only
  • B. l and lll only
  • C. l, ll and lll only
  • D. l, ll, lll and lV
View Answer & Discuss (1) WAEC 2007
35
Which of the following methods can be used to separate a mixture of two miscible liquids with different boiling points?
  • A. Decantation
  • B. Distillation
  • C. Evaporation
  • D. Filtration
View Answer & Discuss (4) WAEC 2007
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