Essential Chemistry for IGCSE - The Chemical Industry (Section 2 - No. 11)
In the Contact process, what is the purpose of absorbing sulfur trioxide (SO3) in concentrated sulfuric acid (H2SO4) and then diluting?
To increase the yield of SO3.
To prevent the formation of a corrosive mist.
To produce a purer form of sulfur.
To remove impurities from SO3.
Explanation
To prevent the formation of a corrosive mist.
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