WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent

Chemistry JAMB 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 App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
1191
In which of the following is the oxidation state of oxygen different from its value in water?
  • A. OH-
  • B. H3O+
  • C. O-
  • D. H2O2
  • E. SO2
View Answer & Discuss (10) JAMB 1980
1192
Which of the following silver halides is readily soluble in ammonium hydroxide?
  • A. Agl
  • B. AgBr
  • C. AgCl
  • D. AgF
  • E. None of the above
View Answer & Discuss (11) JAMB 1980
1193
The chemical reaction which takes place at the anode (positive electrode) in electrolysis is?
  • A. oxidation
  • B. hydrolysis
  • C. dissociation
  • D. reduction
  • E. disproportionation
View Answer & Discuss (4) JAMB 1980
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
1194
Which of the following does NOT happen when a zinc rod is introduced into a solution of copper (ll) sulphate?
  • A. Electrons flow towards the zinc rod
  • B. The zinc rod dissolves
  • C. The temperature of the soil changes
  • D. The blue colour of the solution gradually disappears
  • E. Copper metal is deposited
View Answer & Discuss (7) JAMB 1980
1195
Hardening of an oil may be achieved by?
  • A. boiling the oil with water
  • B. boiling the oil with a catalyst
  • C. treating the oil with sodium hydroxide
  • D. treating the oil with hydrogen and catalyst
  • E. distilling oil under reduced pressure
View Answer & Discuss (7) JAMB 1980
Start a Free Practice Test
 
Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT Software for Computers and Laptops - 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
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now