Crude oil

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Last updated 8:28 PM on 10/7/26
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7 Terms

1
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What is crude oil?

A mixture of hydrocarbons

2
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Name & describe the process with which crude oil is separated into fractions?

  • Fractional distillation

  • Crude oil heated until it vapourises

  • Passes into fractionating column (hottest at bottom)

  • Vapour rises up the column and cools as it gets higher

  • When each fraction reaches its boiling point, it condenses back into a liquid at a different height and is carried away in a tube


3
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Name the fractions of crude oil in order

Refinery gases

Gasoline

Kerosene

Diesel

Fuel oil

Bitumen

4
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Give the acronym for, and uses of, crude oil

Heavy - Heating

Cars - Car fuel

Always - Aircraft fuel

Like - Lorry fuel

Sturdy - Ship fuel

Roads - Road surfacing

5
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Give the fractions of crude oil from low to high:

  • Viscosity

  • Darkness of colour

  • Boiling point


RGKDFB (for all three)

6
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Define a fuel

A substance that, when burned, releases heat energy

7
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