Combined Science GCSE
Crude oil
What Crude oil means in Combined Science GCSE, as defined for AQA.
Definitions of Crude oil
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Reference: AQA
A finite mixture of hydrocarbons that must be separated into fractions with different boiling point ranges.
A mixture of a very large number of compounds, not a single substance, so it has no sharp boiling point.
A mixture of many compounds, most of which contain only carbon and hydrogen, so they are hydrocarbons.
Topics that use Crude oil
- Crude oil, hydrocarbons and alkanes (AQA GCSE)
- Fractional distillation and petrochemicals (AQA GCSE)
Related terms
- Fractional distillation
- Homologous series
- Cracking and alkenes
- Evaporation and condensation
- Finite resource
- Formation over millions of years
- Fraction
- General formula CnH2n+2
Using Crude oil in the exam
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