Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709

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 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
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
3696

By what amount must the temperature of 200cm\(^3\) of Nitrogen at 27°C be increased to double the pressure if the final volume is 150cm\(^3\) (Assume ideality)

  • A. 150°C
  • B. 177°C
  • C. 75°C
  • D. 120°C
View Answer & Discuss (10) JAMB 2019
3697

The combustion of carbon(ii)oxide in oxygen can be represented by equation.
2CO + O\(_2\) → 2CO\(_2\)
Calculate the volume of the resulting mixture at the end of the reaction if 50cm\(_3\) of carbon(ii)oxide was exploded in 100cm\(_3\) of oxygen

  • A. 75cm\(^3\)
  • B. 125cm\(^3\)
  • C. 100cm\(^3\)
  • D. 50cm\(^3\)
View Answer & Discuss (14) JAMB 2019
3698

When ammonia and hydrogen ion bond together to form ammonium ion, the bond formed is called

  • A. electrovalent bond
  • B. compound bond
  • C. ionic bond
  • D. covalent bond
View Answer & Discuss (2) JAMB 2019
JAMB CBT 2024 - Candidates, Schools, Centres, Resellers - Get Ready!
JAMB CBT Mobile App 2024 - Free Download
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
3699

Which of the following represents the kind of bonding present in ammonium chloride?

  • A. ionic only
  • B. covalent only
  • C. ionic and covalent
  • D. dative covalent
View Answer & Discuss (6) JAMB 2019
3700

Consider the reaction
A\(_{(s)}\) + 2B\(_{(g)}\) → 2C\(_{(aq)}\) + D\(_{(g)}\)
What will be the effect of a decrease in pressure on the reaction?

  • A. the equilibrium will shift
  • B. rate of forward reaction will increase
  • C. rate of backward reaction will increase
  • D. rates of forward and backward reaction are not affected
View Answer & Discuss (27) JAMB 2019
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 Mobile App 2024 - Free Download
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709