In contact process, SO3 is absorbed in 97% H2SO4 and not... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

In contact process, SO3 is absorbed in 97% H2SO4 and not in water, because___________________?

Correct answer: B

Explanation

Absorbing SO3 in water can create an acid mist. Using concentrated sulfuric acid avoids this problem.

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