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Chemistry 2011 WAEC Past Questions

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41
When bromine is added to ethene at room temperature, the compound formed is
  • A. 1,1 - dibromoethane
  • B. 1,2 - dibromoethene
  • C. 1,1 - dibromoethene
  • D. 1,2 - dibromoethane
View Answer & Discuss (7) WAEC 2011
42

The compound that makes palm wine taste sour after exposure to the air for few days is

  • A. ethanol
  • B. ethanoic acid
  • C. methanol
  • D. methanoic acid
View Answer & Discuss (11) WAEC 2011
43

The reagent that can be used to distinguish ethene from ethyne is

  • A. ammoniacal silver trioxonitrate (V) solution
  • B. Benedict solution
  • C. bromine water
  • D. Fehling's solution
View Answer & Discuss (7) WAEC 2011
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44
The following substances are ores of metals except
  • A. bauxite
  • B. cuprite
  • C. cassiterite
  • D. graphite
View Answer & Discuss (2) WAEC 2011
45
Which of the following processes does not involve the use of limestone?
  • A. Extraction of iron in the blast furnance
  • B. Manufacture of tetraoxosulphate (VI) acid by Contact process
  • C. Production of washing soda by Solvay process
  • D. Production of cement
View Answer & Discuss (3) WAEC 2011
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