Your School's Whatsapp Group - Join Us now
Post UTME Past Questions Agent

Chemistry 2010 WAEC 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 Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
11

Consider the neutralization reaction represented by the following equation: Na2CO3 + 2HNO 3 → 2NaNO3 + H2O + CO2 The stoichiometric ratio of acid to base is

  • A. 2:2
  • B. 2:1
  • C. 1:2
  • D. 1:1
View Answer & Discuss (7) WAEC 2010
12
A solution of sodium trioxocarbonate (IV) contains 10.6g in 250cm3 of solution. Calculate the concentration of the solution. [Na2CO3 = 106.0]
  • A. 0.4 mol dm-3
  • B. 1.0 mol dm-3
  • C. 10.6 mol dm-3
  • D. 25.0 mol dm-3
View Answer & Discuss (7) WAEC 2010
13

What is the volume occupied by 2 moles of ammonia at s.t.p?

  • A. 44.8 dm-3
  • B. 22.4 dm-3
  • C. 11.2 dm-3
  • D. 5.6 dm-3
View Answer & Discuss (3) WAEC 2010
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
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
14

Which of the following apparatus can be used to measure accurately a specific volume of a liquid?

  • A. Beaker
  • B. Conical flask
  • C. Measuring cylinder
  • D. Pipette
View Answer & Discuss (5) WAEC 2010
15
A given volume of oxygen diffused through a porous partition in 8 seconds. How long would it take the same volume of carbon (IV) oxide to diffuse under the same condition? [C = 12.0, O = 16.0]
  • A. 5.8 seconds
  • B. 6.8 seconds
  • C. 9.4 seconds
  • D. 11.0 seconds
View Answer & Discuss (7) WAEC 2010
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 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