Oleum produces fumes of_____________________? — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

Oleum produces fumes of_____________________?

Correct answer: C

Explanation

Oleum is a solution of sulfur trioxide (SO3) in sulfur dioxide (SO2). Therefore, it primarily produces SO3 fumes.

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