Post UTME Past Questions Agent
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 Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
3771

What are the possible oxidation numbers of an element if its atomic number is 17?

  • A. -1 and 7
  • B. -1 and 6
  • C. -3 and 5
  • D. -2 and 6
View Answer & Discuss (5) JAMB 2020
3772

What process would coal undergo to give coal gas, coal tar, ammoniacal liquor and coke?

  • A. Steam distillation
  • B. Destructive distillation
  • C. Liquefication
  • D. Hydrolysis
View Answer & Discuss (2) JAMB 2020
3773

Liquid black soap is made by boiling palm oil with liquid extract of ash. The function of the ash is to provide the ?

  • A. Acid
  • B. Ester of alkanoic acid
  • C. Alkali
  • C. Alkanol
View Answer & Discuss (8) JAMB 2020
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Your School's Whatsapp Group - Join Us now
3774

When water drops are added to calcium carbide in a container and the gas produced is passed through a jet and lighted, the resultant flame is called an?

  • A. Oxyethene
  • B. Oxyhydrocarbon flame
  • C. Oxyacetylene flame
  • D. Oxymethane flame
View Answer & Discuss (2) JAMB 2020
3775

Which of the following substances is a mixture?

  • A. Granulated sugar
  • B. Seawater
  • C. Sodium chloride
  • D. Iron filling
View Answer & Discuss (1) JAMB 2020
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