Because they have different boiling points, the substances in crude oil can be separated using:
A
chromatography
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B
fractional distillation
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C
sublimation
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D
magnetic separation
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Solution
The correct option is B fractional distillation Because they have different boiling points, the substances in crude oil can be separated using fractional distillation. The crude oil is evaporated and its vapours are allowed to condense at different temperatures in the fractionating column.