[ Post UTME Begins ]: View The List Of Schools That Have Released 2026 Post-UTME Forms.
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
  1. Home
  2. Classroom
  3. Chemistry
  4. WAEC

Chemistry WAEC 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
1001
An aqueous solution of Na2CO3 is
  • A. acidic
  • B. alkaline
  • C. amphoteric
  • D. neutral
View Answer & Discuss (2) WAEC 2014
1002
A gaseous mixture contains 0,256 g of hydrogen and 2.00 g of oxygen. The mole ration of hydrogen to oxygen in the mixture is (H=1.00; O=16,0)
  • A. 1:1
  • B. 2:1
  • C. 1:4
  • D. 8:1
View Answer & Discuss (3) WAEC 2014
1003
The oxidation number of sulphur in Fe2(SO4)3 is
  • A. +2.
  • B. +3
  • C. +4.
  • D. +6.
View Answer & Discuss (6) WAEC 2014
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
Post UTME Past Questions Agent
1004
If 0.20 mol dm-3 NaOH(aq) was evaporated to yield 5.0g of solid NaOH, calculate the volume of NaOH (aq) used. (Na = 23.0,O = 16:0; H = 1.00)
  • A. 600cm-3
  • B. 625cm3
  • C. 10003
  • D. 1600 cm 3
View Answer & Discuss (2) WAEC 2014
1005

The mass of 800cm3 of gas Q at s.t.p. is 1.0g. What is the molar mass of Q? [Avogadros constant = 22.4dm3 mol-1`]

  • A. 18.0 gmol-1
  • B. 22,4gmol-1
  • C. 28.0gmol-1
  • D. 36.0 gmol-1
View Answer & Discuss (1) WAEC 2014
Start a Free Practice Test
 
Post UTME Past Questions Agent
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