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 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 Agent
Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
276

It is difficult to achieve an orderly arrangement of the molecules of a gas because they?

  • A. have no definite shape
  • B. have little force of attraction between them
  • C. can collide with one another in the container
  • D. are too small in size
View Answer & Discuss (24) JAMB 2004
277

A given volume of methane diffuses in 20s. How long will it take the same volume of sulphur (IV) oxide to diffuse under the same conditions?
[C = 12, H = 1, S = 32, O = 16

  • A. 5s
  • B. 20s
  • C. 40s
  • D. 60s
View Answer & Discuss (15) JAMB 2004
278

An electron can be added to a halogen atom to form a halide ion with

  • A. 2 valence electrons
  • B. 3 valence electrons
  • C. 7 valence electrons
  • D. 8 valence electrons
View Answer & Discuss (7) JAMB 2004
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
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
279

The shape of s-orbitals is

  • A. spherical
  • B. elliptical
  • C. spiral
  • D. circular
View Answer & Discuss (7) JAMB 2004
280

\(^{226}\)\(_{88}\)Ra → \(^x\)\(_{86}\)Rn + α - particle
What is the value of x in the nuclear reaction above?

  • A. 220
  • B. 222
  • C. 226
  • D. 227
View Answer & Discuss (4) JAMB 2004
Start a Free Practice Test
 
Post UTME Past Questions Agent
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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