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

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
2701
An element Y has the electronic configuration 1s22s22p6623p4. To what period does it belong in the periodic table?
  • A. 3
  • B. 4
  • C. 5
  • D. 6
View Answer & Discuss (8) WAEC 2002
2702
If a metal R forms a compound with the formula R(NO3)2 , the formula of its tetraoxosulphate (IV) is
  • A. R(SO4)2
  • B. RSO4
  • C. R2SO4
  • D. R2(SO4)3
View Answer & Discuss (4) WAEC 2002
2703
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 (3) WAEC 2002
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
2704
What volume of hydrogen will be produced if 100cm3 of ammonia is completely decomposed at constant temperature and pressure? The equation for reaction is 2NH3(g) → N2(g) + 3H2(g)
  • A. 50cm3
  • B. 150cm3
  • C. 200cm3
  • D. 300cm3
View Answer & Discuss (1) WAEC 2002
2705

Calculate the mass of chlorine gas which occupies a volume of 1.12 dm\(^3\) a volume of 1.12 dm\(^3\) at s.t.p [Cl = 35.5, 1 mole og gas occupies 22.4 dm\(^3\) at s. t. p ]

  • A. 1.80g
  • B. 3.55g
  • C. 7.10g
  • D. 15.50g
View Answer & Discuss (9) WAEC 2002
Start a Free Practice Test
 
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
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