Essential Chemistry for IGCSE - Organic Chemistry And Petrochemicals (Section 3 - No. 50)
Which of the following is the main reason that fractional distillation works to separate crude oil?
Different hydrocarbon molecules have different densities.
Different hydrocarbon molecules have different boiling points.
Different hydrocarbon molecules have different colors.
Different hydrocarbon molecules have different molecular weights.
Explanation
Fractional distillation separates crude oil based on the boiling points of different hydrocarbon molecules.
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