Your School's Whatsapp Group - Join Us now
Post UTME Past Questions Agent

Chemistry Past Questions

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

Your School's Whatsapp Group - Join Us now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post UTME Past Questions Agent
1221

Synthetic rubber is made by polymerization of 

  • A. 2 methyl buta - 1, 3 - diene
  • B. 2 methyl buta - 1, 2 - diene
  • C. 2 methyl but -1-ene
  • D. 2 methyl but-2-ene
View Answer & Discuss (10) JAMB 1987
1222
Complete oxidation of propan -1- ol gives?
  • A. propanal
  • B. propan-2-al
  • C. propan-1-one
  • D. propanoic acid
View Answer & Discuss (8) JAMB 1987
1223
When water drops are added to calcium carbide in a container and the gas is passed through a jet and lifted, the resultant flame is called an?
  • A. oxyethylene flame
  • B. oxyhydrocarbon flame
  • C. oxyacetylene flame
  • D. oxymethane flame
View Answer & Discuss (4) JAMB 1987
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
1224

The greater the different in electronegativity between bonded atoms, the?

  • A. lower the polarity of the bond
  • B. higher the polarity of the bond
  • C. weaker the bond
  • D. higher the possibility of the substance formed being a molecule
View Answer & Discuss (12) JAMB 1987
1225

A stream of air was successively passed through three tubes X, Y and Z containing a concentrated aqueous solution of KOH, red hot copper powder and fused calcium chloride respectively. What was the composition of the gas emanating from tube Z?

  • A. CO2 ad ithe inert gases
  • B. N2, CO2 and the inert gases
  • C. N2 and the inert gases
  • D. water vapour, N2 and the inert gases
View Answer & Discuss (21) JAMB 1987
Start a Free Practice Test
 
Your School's Whatsapp Group - Join Us now
Post UTME Past Questions Agent
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