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

Chemistry 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 - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post UTME Past Questions Agent
2171

The conclusion from Rutherford's radioactive substance alpha-scattering experiment is that

  • A. atoms are mostly empty space with a samll
  • B. emissions from radioactive substances consist of three main components
  • C. there is unclear pull on orbital electrons
  • D. electrons are deflected by both magnetic and electric fields
View Answer & Discuss (1) WAEC 2001
2172

If a metal R forms a compound with the formula R(NO3)2 the formula of its tetraoxosulphate (VI) is

  • A. R(SO4)2
  • B. RSO4
  • C. R2SO4
  • D. R2(SO4)3
View Answer & Discuss WAEC 2001
2173

Which of the following decreases when a given mass of gas is compressed to half its initial volume?

  • A. Average intermolecular distance
  • B. Frequency of collisions
  • C. Number of molecules present
  • D. Atomic radius of each particle
View Answer & Discuss (4) WAEC 2001
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
2174
What volume of hydrogen will be produced if 100cm3 of ammonia is completely decomposed at constant temperature and pressure? The equation for the reaction is 2NH3(g) → N2(g) + 3H2(g)
  • A. 50cm3
  • B. 150cm3
  • C. 200cm3
  • D. 300cm3
View Answer & Discuss (3) WAEC 2001
2175

The gas given off when NH4Cl is heated with an alkali is

  • A. H2
  • B. CI2
  • C. N 2
  • D. NH 3
View Answer & Discuss (2) WAEC 2001
Start a Free Practice Test
 
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
Post UTME Past Questions Agent