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Wednesday, 01 April 2026
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Chemistry Past Questions and Answers

Chemistry Questions

Question 1141:
JAMB 2001
During the vulcanization of rubber, sulphur is added to
SchoolNGR Classroom
  • A Break down rubber polymer
  • B Lengthen the chain of rubber
  • C Bind rubber molecules together
  • D Act as a catalyst
View Answer & Explanation
Question 1142:
JAMB 2001
Catalytic hydrogenation of benzene produces
SchoolNGR Classroom
  • A Oil
  • B Cyclohexene
  • C Cyclohexane
  • D Margarine
View Answer & Explanation
Question 1143:
JAMB 2001
A trihydric alkanol is
SchoolNGR Classroom
  • A Glycerol
  • B Phenol
  • C Glycol
  • D Ethanol
View Answer & Explanation
Question 1144:
JAMB 2001
When chlorine Is passed into water and the resulting solution exposed to sunlight, the product formed are
SchoolNGR Classroom
  • A Chlorine gas and hydrogen
  • B Oxygen and oxochlorate (I) acid
  • C Chlorine gas and oxochlorate (I) acid
  • D Hydrochloric acid and oxygen
View Answer & Explanation
Question 1145:
JAMB 2001
Proteins in acid solution undergo
SchoolNGR Classroom
  • A Polymerization
  • B Substitution
  • C Fermentation
  • D Hydrolysis
View Answer & Explanation

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