[ Post UTME Begins ]: View The List Of Schools That Have Released 2026 Post-UTME Forms.
Post UTME Past Questions Agent
Your School's Whatsapp Group - Join Us now
  1. Home
  2. Classroom
  3. Chemistry

Chemistry Past Questions

Clear Selections
Change Subject Post a Question Check Syllabus Study My Bookmarks Past Questions Videos Watch Video Lessons Download App

WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
1666
The reaction represented by the equation NaOH(aq) + HCI(aq) → NaCI(aq) + H2O(/)
  • A. is a double decomposition
  • B. is a neutralization
  • C. is reversible
  • D. is usually catalysed
  • E. attains equilibrium after a few seconds
View Answer & Discuss (4) WAEC 1988
1667
Which of the following compound is aromatic?
  • A. Benzene
  • B. Cyclobutane
  • C. Cyclopentane
  • D. Hexane
  • E. Ethene
View Answer & Discuss (1) WAEC 1988
1668
Which of the following does not affect the rate of a chemical reaction?
  • A. Addition or presence of a catalyst
  • B. Size of the reacting particles
  • C. The enthalpy change for the reaction
  • D. Concentration of the reactants
  • E. Temperatureat which the reaction is carried out
View Answer & Discuss (2) WAEC 1988
Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
1669
Which of the following does not affect the rate of a chemical reaction?
  • A. Addition or presence of a catalyst
  • B. Size of the reacting particles
  • C. The enthalpy change for the reaction
  • D. Concentration of the reactants
  • E. Temperatureat which the reaction is carried out
View Answer & Discuss (2) WAEC 1988
1670

Given that 32.0g sulphur contains 6.02 x 10 23 sulphur atoms how many atoms are there in 2.70g of aluminium? {Al = 27, S =32}

  • A. 6.02 x 10 23
  • B. 3.01 x 1022
  • C. 6.02 x 1022
  • D. 5. 08 x 1022
  • E. 3.01 x 1022
View Answer & Discuss (6) WAEC 1988
Start a Free Practice Test
 
Post UTME Past Questions Agent
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Your School's Whatsapp Group - Join Us now