Essential Chemistry for IGCSE - The Chemical Industry (Section 6 - No. 30)
In the Contact process, how is sulfur trioxide converted to sulfuric acid?
By reacting it with water directly.
By dissolving it in concentrated sulfuric acid, then adding water.
By adding a catalyst to the sulfur trioxide
By heating it.
Explanation
Sulfur trioxide is dissolved in sulfuric acid, then water is added later.
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