Chemistry 1994 WAEC Past Questions

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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

Study the reaction represented by the equation: Alkanol + Alkanoic acid conc. H₂SO₄ 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 WAEC 1994

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

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 (4) WAEC 1994

The following compounds contain the same type of bonds except

A. sodium chloride
B. hydrogen chloride
C. magnesium chloride
D. potassium chloride
E. lithium chloride

View Answer & Discuss (7) WAEC 1994

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Chemistry 1994 WAEC Past Questions

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