Search SchoolNGR

Saturday, 04 April 2026
Register . Login

Chemistry Past Questions and Answers

Jamb Chemistry Questions

Question 36:
Vulcanization of rubber is a process by which
  • A Isoprene units are joined to produce rubber
  • B Rubber latex is coagulated
  • C Sulphur is chemically combined in the rubber
  • D Water is removed from the rubber
View Answer & Explanation
Question 37:
The reaction between ethanoic acid and sodium hydroxide is an example of
  • A Esterification
  • B Neutralization
  • C Hydroxylation
  • D Hydrolysis
View Answer & Explanation
Question 38:
The bond which joins two ethanoic acid molecules in the liquid state is
  • A A covalent bond
  • B An ionic bond
  • C A dative covalent bond
  • D A hydrogen bond
View Answer & Explanation
Question 39:
The alkaline hydrolysis of fats and oils produces soap and
  • A Propane 1, 1, 3 - triol
  • B Propane - 1,2,3 - triol
  • C Propane - 1,3,3 - triol
  • D Propane - 1, 2, 2 - triol
View Answer & Explanation
Question 40:
The gas responsible for most of the fatal explosions in coal mines is
  • A Butane
  • B Ethene
  • C Ethane
  • D Methane
View Answer & Explanation