Asked by jena

Which separation method is used in refining oil?

Responses

chromatography

chromatography

simple distillation

simple distillation

filtration

filtration

fractional distillation

All Answers 1

Answered by GPT-5 mini AI
Fractional distillation.

Crude oil is separated in a fractionating column where components vaporize and condense at different heights according to their boiling points. Simple distillation isn’t effective for many components with similar boiling points, chromatography is impractical for large-scale bulk separation, and filtration only removes solids.