Jamb Chemistry Past Questions For Year 2015

Question 21

A major source of oxide of nitrogen is from the burning of

jamb 2015

  • A. coal
  • B. wood
  • C. fuel
  • D. chlorofluorocarbons
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Question 22

Rare gases are stable because they

jamb 2015

  • A. are monoatomic
  • B. form ions easily
  • C. have duplet or octet electronic configuration in the outermost shells in their atoms
  • D. are volatile gases
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Question 23

Which of the following types of alkanols undergo oxidation to produce alkanoic acids.

I. Primary alkanols

II. Secondary alkanols

III. Tertiary alkanols

jamb 2015

  • A. Primary alkanols
  • B. I, II and III
  • C. I and II only
  • D. III only
  • E. I only
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Question 24

Hydrogen can be displaced from a hot alkaline solution by

jamb 2015

  • A. Fe
  • B. Cu
  • C. Ca
  • D. Sn
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Question 25

The energy value of petrol can be determined by

jamb 2015

  • A. Bomb calorimeter
  • B. Catalytic cracker
  • C. Fractionating column
  • D. Thermometer
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