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Chemistry 1988 WAEC Past Questions

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26

Water gas is a mixture of?

  • A. CO2 and H2
  • B. CO and H2O
  • C. CO2 and CO
  • D. CO and N2
  • E. CO and H2
View Answer & Discuss (5) WAEC 1988
27
Which of the following metals cannot extracted from its ore by using carbon (ll) oxide as the reducing agent?
  • A. Cu
  • B. Zn
  • C. Al
  • D. Pb
  • E. Fe
View Answer & Discuss (2) WAEC 1988
28
Which of the following is not a naturally occurring iron ore?
  • A. FeCl2
  • B. Fe2O3O3
  • C. Fe2O3
  • D. FeCO3
  • E. FeS2
View Answer & Discuss (2) WAEC 1988
WAEC offline past questions - with all answers and explanations in one app - Download for free
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29
Which of the following equations represents the reaction of chlorine with hot concentrated sodium hydroxide solution?
  • A. 2KOH+CI2 → KCIO + KCI + H2O
  • B. 4KOH + 2CI → 4KCI + 2H2O + O2
  • C. 6KOH + 3CI2 → KCIO3 + 5KCI + 3H2O
  • D. 2KOH + CI2 → 2KCI + H2O2
  • E. KOH + 2CI2 + H2O → KCI + 3HCI + O2
View Answer & Discuss (6) WAEC 1988
30
Aqueous sodium trioxocarbonate (IV) solution is alkaline because
  • A. acid from which it is formed is strong
  • B. sodium is an alkali metal
  • C. sodium trioxocarbonate (IV) is decomposed by water
  • D. sodium trioxocarbonate (lV) is stable to heat
  • E. sodium triocarbonate (IV) is hydrolysed in water
View Answer & Discuss WAEC 1988
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
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