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Chemistry WAEC Past Questions

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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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236
Which of the following is not a halogen?
  • A. Silicon
  • B. Fluorine
  • C. Astatine
  • D. Bromine
  • E. lodine
View Answer & Discuss WAEC 1994
237

Which of the following is likely to have the highest degree of hardness?

  • A. Carbonated water
  • B. Distilled water
  • C. Acidified water
  • D. Rain water
  • E. Lime water
View Answer & Discuss (9) WAEC 1994
238

Study the reaction represented by the equation: Alkanol + Alkanoic acid + conc. H\(_2\)SO\(_4\) →  Alkanoate + water.  The type of process involved in the reverse reaction is

  • A. Neutralization
  • B. dehydration
  • C. hydrolysis
  • D. decomposition
  • E. hydrogenation
View Answer & Discuss (4) WAEC 1994
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
239
Destructive distillation of coal means
  • A. heating coal in plentiful supply of air
  • B. burning coal in air to produce water and carbon (IV) oxide
  • C. heating coal in the absence of air
  • D. heating coal in limited supply of air
  • E. separating coal into various allotropes of carbon
View Answer & Discuss WAEC 1994
240
When magnesium ribbon burns in air, the products are
  • A. magnesium nitride and magnesium oxide
  • B. magnesium nitride and carbon (ll) oxide
  • C. magnesium oxide and steam
  • D. magnesium nitride and soot
  • E. magnesium oxide and carbon (ll) oxide
View Answer & Discuss (6) WAEC 1994
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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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