Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

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 - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Your School's Whatsapp Group - Join Us now
4286

Which of the following statements is true for strong electrolytes?

  • A. They do not conduct electricity in the molten state
  • B. They completely dissociate into ions in solution
  • C. They are non-polar substances
  • D. They partially dissociate into ions in solution
View Answer & Discuss (2) JAMB 2023
4287

What is the maximum number of electrons that can occupy the second energy level (n=2)?

  • A. 2 electrons
  • B. 18 electrons
  • C. 8 electrons
  • D. 32 electrons
View Answer & Discuss (6) JAMB 2023
4288

Which of the following is a common laboratory indicator for bases?

  • A. Methyl orange
  • B. Phenolphthalein
  • C. Bromothymol blue
  • D. Litmus
View Answer & Discuss (6) JAMB 2023
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Your School's Whatsapp Group - Join Us now
Post UTME Past Questions Agent
4289

The vapour density of an organic compound with the molecular formula \(C_2H_4O_2\), is
[H=1.0, C=12.0, O= 16.0]

  • A. 40
  • B. 120
  • C. 65
  • D. 30
View Answer & Discuss WAEC 2023
4290

The following statements are correct except

  • A. energy is released when liquids change to solids.
  • B. carbon atoms in gaseous methane are further apart than those in solid diamond.
  • C. there is large decrease in the volume of a solid metal when pressure is applied to it.
  • D. particles move faster in the gaseous state than in the liquid state.
View Answer & Discuss (2) WAEC 2023
Start a Free Practice Test
 
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
Post UTME Past Questions Agent
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now