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

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
2351
What is the IUPAC name of the compound represented by the molecular formula NaCIO4?
  • A. Sodium tetraoxochlorate (l)
  • B. Sodium tetraoxochlorate (IV)
  • C. Sodium tetraoxochlorate (VI)
  • D. Sodium tetraoxochlorate(VII)
View Answer & Discuss (2) WAEC 2007
2352
When air is successively passed through sodium hydroxide solution, alkaline pyrogallol and then concentrated tetraoxosulphate (VI) acid, its remaining components are
  • A. oxygen and water vapour
  • B. oxygen and nitrogen
  • C. carbon (IV) acid and noble gases
  • D. nitrogen and noble gases
View Answer & Discuss WAEC 2007
2353
Which of the following gases is light than air?
  • A. CO2
  • B. SO2
  • C. HCI
  • D. NH3
View Answer & Discuss (1) WAEC 2007
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
Post UTME Past Questions Agent
2354
Which of the following statements is true of the molecules of a gas under ideal conditions? The molecules
  • A. move at random
  • B. undergo inelastic collisions
  • C. attract each other
  • D. occupy a large volume
View Answer & Discuss WAEC 2007
2355

In which of the following compound (s) will heat be absorbed on adding water?

l. KNO\(_3\) II. Concentrated H\(_2\)SO\(_4\) III. NH\(_4\)CI

  • A. I only
  • B. lll only
  • C. l and lll only
  • D. ll and lll only
View Answer & Discuss (3) WAEC 2007
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
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
Your School's Whatsapp Group - Join Us now