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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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2406
Consider the equilibrium reaction represented by the equation: 2SO2(g) + O2(g) ⇌ 2SO3(g) ∆H = - 197 kJmol-1. At equilibrium, increase in the total pressure of the system brings about
  • A. decrease in rate of the reaction of the system
  • B. decrease in temperature of the system
  • C. increase in temperature of SO3
  • D. increase in concentration of SO2
View Answer & Discuss (7) WAEC 2008
2407
In dry Leclanche cell, manganese (IV) oxide acts as
  • A. a reducing agent
  • B. binding agent
  • C. catalyst
  • D. depolarizer
View Answer & Discuss (1) WAEC 2008
2408
Oxidation takes place at the anode during electrolysis because the anode
  • A. is deficient in electrons
  • B. is deficient in protons
  • C. has excess electrons
  • D. has attraction for positive ions
View Answer & Discuss (16) WAEC 2008
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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2409
Calculate the quantity of electricity passed when 0.4 A flows for 1 hour 20 minutes through an electrolytic cell
  • A. 4800C
  • B. 3840 C
  • C. 1920 C
  • D. 32 C
View Answer & Discuss (4) WAEC 2008
2410
A mixture of kerosene and diesel oil can be separated by
  • A. crystallization
  • B. distillation
  • C. precipitation
  • D. sublimation
View Answer & Discuss (2) WAEC 2008
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