2006
Consider the reaction represented by the equation: 2SO2(g) + O2(g) ⇌ 2SO3(g); ∆H = - 197 kJmol- Which of the following conditions will not increase the yield of sulphur (IV) oxide?
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2006 WAEC SSCE Chemistry Past Questions
2006
Which of the following compounds absorbs moisture from the atmosphere and dissolves in it?
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2006
When aqueous ammonia is added to one of the following solutions,a white precipitate which dissolved in excess ammonia is formed Identify the solution.
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2006
What type of reaction occurs between vegetable oil and plant ash extract?
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2006
Which of the following industrial processes is chlorines not used?
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2006
In the reaction represented by the equation. 5Fe 2+(aq) + MnO-4(aq) + 8H+(aq) → 5Fe3+(aq) + Mn2+(aq) + 4H2O(l) which species is reduced?
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2006
Consider the reaction: 2AI(s) + 6H+(aq) → 2AI3+(aq) + 3H2(g). What is the total number of moles of electrons transferred from the aluminium atoms to the hydrogen ions?
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2006
Metals can be extracted from their ores by a process involving
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2006
Which of the following substance is an ore of iron?
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2006
Greenhouse effect can be reduced by controlling
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2006
What is CaHb in the following equation? C aH b + 5O2 → 3CO 2 + 4H2O
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2006
Which of the following compounds is an alkanoate?
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2006
Which of the following equations represents a substitution reaction?
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2006
The ammonium compound used in the manufacture of dry cells is
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