Combined Science GCSE
Hydrocarbons
What Hydrocarbons means in Combined Science GCSE, as defined for AQA.
Definitions of Hydrocarbons
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Reference: AQA
Liquid and gaseous substances into which heat and pressure converted buried organic material, migrating through porous rock and trapped beneath impermeable caps to form reservoirs.
Compounds containing only carbon and hydrogen, of which crude oil is a mixture of many.
Topics that use Hydrocarbons
- Fractional distillation and petrochemicals (AQA GCSE)
- How carbon dioxide decreased (AQA GCSE)
Related terms
- Atmospheric evolution
- Biomass and carbon storage
- Carbon stores
- Causes of carbon dioxide decrease
- Causes of oxygen and nitrogen increase
- Changes in atmospheric composition over geological time
- Coal
- Cracking and alkenes
Using Hydrocarbons in the exam
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