Chemistry 0.0 / 5 ? ChemistryCrude oil, cracking and hydrocarbonsGCSEAQA Created by: RamshahAliCreated on: 05-02-14 19:38 What is crude oil a mixture of? HYDROCARBONS 1 of 9 What products can it be split into? FUELS 2 of 9 What method is used to separate the oils? FRACTIONAL DISTILLATION 3 of 9 What does cracking do? Breaks long alkanes into alKEnes and alKAnes 4 of 9 What are fossil fuels and how are they formed? crude oil, gases and fuels are fossil fuels they are formed a million years ago 5 of 9 Where are they found? TRAPPED IN SEDIMENTRY ROCK OF EARTHS CRUST 6 of 9 What is distillation? distillation seperates pure liquid from liquids 7 of 9 Why is distillation commonly used? ethanol-alcohol 8 of 9 Say the sequence of the process of distillation heating → evaporating → cooling → condensing 9 of 9
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