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Wednesday, 10 June 2026
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Chemistry Past Questions and Answers

Chemistry Questions

Question 2741:
Which of the following types of alkanols undergo oxidation to produce alkanoic acids? 1. Primary alkanols 11. Secondary alkanols 111. Tertiary alkanols
  • A 1,11 and 111
  • B L and ll only
  • C Ll only
  • D L only
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Question 2742:
A suitable reagent for distinguishing between ethanoic acid ethanol is
  • A Bromine water
  • B Fehling's solution
  • C Sodium hydrogentrioxocarbonate (IV)
  • D Ammoniacal silver trioxonitrate (V)
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Question 2743:
The reaction of sucrose with dilute HCI produces
  • A An alkanoate
  • B Glucose and fructose
  • C A black mass of carbon
  • D A polysaccharide
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Question 2744:
The energy value of petrol can be determined by a
  • A Bomb calorimeter
  • B Catalytic cracker
  • C Fractionating column
  • D Thermometer
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Question 2745:
Iron is often galvanized in order to
  • A Make it more malleable
  • B Remove the impurities in it
  • C Protect it against corrosion
  • D Render it passive
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