20% oleum means that in 100 kg oleum, there are 20 kg of_... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

20% oleum means that in 100 kg oleum, there are 20 kg of_____________________?

Correct answer: A

Explanation

Oleum is a solution of sulfur trioxide (SO3) in sulfuric acid (H2SO4). 20% oleum means 20 kg of SO3 and the remaining 80 kg must be H2SO4.

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