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Chemistry 2012 WAEC Past Questions

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36

Consider the following reaction equation: C\(_{16}\)H\(_{34}\) → C\(_5\)H\(_{12}\) + C\(_{11}\)H\(_{22}\). The process represented by the equation is

  • A. cracking
  • B. fermentation
  • C. polymerization
  • D. reforming
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37

Which of the following substances would not produce ethanol when fermented?

  • A. Cane sugar
  • B. Glucose
  • C. Starch
  • D. Vinegar
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38

An alkanol can be prepared by the reaction of an alkene with

  • A. concentrated tetraoxosulphate (VI) acid
  • B. bromine tetrachloroethane
  • C. aqueous potassium tetraoxomanganate (VII)
  • D. sodium hydroxide solution
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39

A tertiary alkanol has a molecular formula C\(_4\)H\(_{10}\)O. What is the structural formula of the compound?

  • A. (CH 3)2CHCH2OH
  • B. CH3CH2CH(OH)CH3
  • C. (CH3)3COH
  • D. CH3CH2CH2CH2OH
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40

Which of the following industrial processes depends on the action of enzymes?

  • A. Liquefaction of air
  • B. Manufacture of soap
  • C. Brewing of beer
  • D. Catalytic cracking
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