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Chemistry Past Questions and Answers

Jamb Chemistry Questions

Question 21:
JAMB 2016
Cast iron is used in making
SchoolNGR Classroom
  • A Chains and agricultural implements
  • B Iron sheets and retort stand
  • C Nails and iron rods
  • D Stoves and cookers
View Answer & Explanation
Question 22:
JAMB 2016
Which of the following compounds is used as a gaseous fuel?
SchoolNGR Classroom
  • A CH3 -CH2 -CHO2 -COOH
  • B CH3 -C = CH
  • C CH3 -CH2 -CH2 -CH3
  • D CH2 -CH2 -CH3
View Answer & Explanation
Question 23:
JAMB 2016
The product formed when propanol is heated over a copper catalyst in the absence of oxygen are
SchoolNGR Classroom
  • A CH3CH2CHO and H2
  • B CH3CHO and CO2
  • C CH3CH2COOH and H2
  • D CH3COOH and CO2
View Answer & Explanation
Question 24:
JAMB 2016
Alkanols have the general molecular formula
SchoolNGR Classroom
  • A C1H2n-2
  • B C1H2n-1CHO
  • C C1H2n-2OH
  • D C2H2n+1OH
View Answer & Explanation
Question 25:
JAMB 2016
Which of the following is not an alkali?
SchoolNGR Classroom
  • A Ca(OH)2
  • B NH3
  • C NaOH
  • D Al(OH)3
View Answer & Explanation

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