JAMB CBT Software 2024 - Free Download
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208

Chemistry Past Questions

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

JAMB CBT Software 2024 - Free Download
JAMB CBT Mobile App 2024 - Free Download
JAMB CBT 2024 - Candidates, Schools, Centres, Resellers - Get Ready!
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
4101

Protons and electrons are called fundamental particles because they----------

  • A. are indivisible
  • B. have different charges
  • C. are the lightest particles
  • D. are found in all matter
View Answer & Discuss (6) WAEC 2021

Consider the following energy profile diagram and use it to answer the question that follows

Open photo

4102

The activation energy of the reaction is

  • A. E\(_{A}\)
  • B. E\(_{B}\)
  • C. E\(_{C}\)
  • D. E\(_{D}\)
View Answer & Discuss (1) WAEC 2021
4103

The enthalpy change of the reaction is------------

  • A. E\(_{A}\)
  • B. E\(_{B}\)
  • C. E\(_{C}\)
  • D. E\(_{D}\)
View Answer & Discuss WAEC 2021
JAMB CBT 2024 - Candidates, Schools, Centres, Resellers - Get Ready!
JAMB CBT Software 2024 - Free Download
JAMB CBT Mobile App 2024 - Free Download
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
4104

The energy profile diagram illustrates-------------

  • A. an endothermic reaction
  • B. an exothermic reaction
  • C. a spontaneous reaction
  • D. a redox reaction
View Answer & Discuss (1) WAEC 2021
4105

How many molecules of oxygen would occupy a volume of 2.24 cm\(^{3}\) at s.t.p?

[Molar volume at s.t.p = 22,400 cm\(^{3}\), Avogadro's number = 6.02 x 10\(^{23}\)]

  • A. 3.01 x 10\(^{20}\)
  • B. 3.01 x 10\(^{27}\)
  • C. 6.02 x 10\(^{19}\)
  • D. 6.02 x 10\(^{27}\)
View Answer & Discuss (3) WAEC 2021
Start a Free Practice Test
 
JAMB CBT 2024 - Candidates, Schools, Centres, Resellers - Get Ready!
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
JAMB CBT Software 2024 - Free Download
JAMB CBT Mobile App 2024 - Free Download