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

Chemistry Past Questions

Clear Selections
Change Subject Post a Question Check Syllabus Study My Bookmarks Past Questions Videos Watch Video Lessons Download App

Your School's Whatsapp Group - Join Us 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 Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
2106

Which of the following salts is an acid salt?

  • A. MgSO 37H 2O
  • B. (NH 4) 2CO
  • C. KHSO4
  • D. CH3COONa
View Answer & Discuss WAEC 2000
2107

What type of reaction is involved when wood shavings produce a brown gas with concentrated HNO3?

  • A. Redox reaction
  • B. Destructive distillation
  • C. Dehydration
  • D. Nutralization
View Answer & Discuss (2) WAEC 2000
2108

Chemical equilibrium is attained when

  • A. reactants in the system are used up
  • B. concentrations of the products are greater than those of the reactants
  • C. concentrations of the reactants and products remain constant
  • D. reactants stop forming the products
View Answer & Discuss (1) WAEC 2000
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
Your School's Whatsapp Group - Join Us now
2109

What is the effect of using vanadium (V) oxide as catalyst in the reaction represented by the following equation? 2SO2 + O2 ⇌ 2SO3; ∆H = - xKJmol-1

  • A. Decreases the value of ∆H
  • B. Increases the collision rate of reactant particles
  • C. Shifts equilibrium position to the right
  • D. Reduces the time for attainment of equilibrium
View Answer & Discuss (7) WAEC 2000
2110

A finely divided form of a metal burns more readily in air than the rod form because the rod has

  • A. higher molar mass
  • B. smaller surface area
  • C. protective oxide coating
  • D. diferent chemical properties
View Answer & Discuss WAEC 2000
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