Post UTME Past Questions Agent
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

Chemistry JAMB Past Questions

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

Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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
1096
An organic compound decolourized acidified KMnO4 solution but failed to react with ammoniacal silver nitrate solution. The organic compound is likely to be?
  • A. a carbonxylic acid
  • B. an alkane
  • C. an alkene
  • D. an alkyne
  • E. an akanone
View Answer & Discuss (3) JAMB 1985
1097

Solid sodium hydroxide on exposure to air absorbs a gas and ultimately gives another alkaline substance with the molecular formula?

  • A. NaOH.H2O
  • B. NaOH.N2
  • C. Na\(_2\)CO\(_3\)
  • D. NaHCO3
  • E. NaNO3
View Answer & Discuss (7) JAMB 1985
1098
Which of the following substances is the most abundant in the universe?
  • A. Carbon
  • B. Air
  • C. Water
  • D. Oxygen
  • E. Hydrogen
View Answer & Discuss (19) JAMB 1985
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
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
1099

A colourless organic compound X was burnt in excess air to give two colourless and odourless gases, Y and Z, as products. X does not decolorize blue bromine vapour, Y turns lime milky while Z gives a blue colour with copper (ll) tetraoxosulphate (IV).
Compound X is?

  • A. an alkene
  • B. an alkane
  • C. an alkyne
  • D. tetrachloromethane
  • E. dichloromethane
View Answer & Discuss (2) JAMB 1985
1100

A colourless organic compound X was burnt in excess air to give two colourless and odourless gases, Y and Z, as products. X does not decolorize blue bromine vapour, Y turns lime milky while Z gives a blue colour with copper (ll) tetraoxosulphate (IV).
Y and Z are respectively?

  • A. CO2 and NH3
  • B. CO and NH3
  • C. SO2 and H2O
  • D. CO2 and H2O
  • E. SO2 and NH3
View Answer & Discuss (4) JAMB 1985
Start a Free Practice Test
 
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download 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