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

Chemistry 2013 JAMB 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
21

In the laboratory preparation of ammonia, the flask is placed in a slanting position so as to

  • A. prevent condensed water from breaking the reaction flask
  • B. enable the proper mixing of the reactions in the flask
  • C. enhance the speed of the reaction
  • D. prevent formation of precipitate
View Answer & Discuss (5) JAMB 2013
22
Which of the gases is employed as an anaesthesia?
  • A. N 2O
  • B. NO2
  • C. NH3
  • D. NO
View Answer & Discuss (3) JAMB 2013
23
Sulphur (IV)oxide is a strong reducing agent in the presence of water due to the formation of
  • A. hydroxide ion
  • B. sulpgur (Vl)oxide
  • C. hydrogen sulhide
  • D. trioxosulphate (IV) salt
View Answer & Discuss (3) JAMB 2013
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
Post UTME Past Questions Agent
24
A metal that forms soluble trioxosulphate (IV) ion is
  • A. barium
  • B. potassium
  • C. manganese
  • D. aluminium
View Answer & Discuss (3) JAMB 2013
25
Copper is displaced from the solution of its salts by most metals because it
  • A. is a transition element
  • B. is at the bottom of the activity series
  • C. is very reactive
  • D. has completely filled 3d-orbitals
View Answer & Discuss (6) JAMB 2013
Start a Free Practice Test
 
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
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