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You are here: OxNotes › GCSE/IGCSE Notes › IGCSE Chemistry › Crude Oil

Simple explanation of Crude Oil (Petroleum)

Crude oil is a mixture of hydrocarbons (hydrocarbons are compounds that contain hydrogen and carbon atoms only). Crude Oil can be converted into many useful things. The industrial process of fractional distillation separates crude oil into fractions, some of these fractions can be used for fuels and plastics.

Fractional Distillation of Crude Oil

Fractional distillation is refining crude oil into fractions. Fractions are groups of hydrocarbons with a similar boiling point.

Crude oil is separated into fractions through fractional distillation. The industrial process of fractional distillation is as follows..
  •  Crude oil is heated and passed into a fractionating column, which is cooler at the top and hotter at the bottom. 

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