chemistry-crude oil 3.0 / 5 based on 1 rating ? ChemistryCrude oilGCSEAQA Created by: vaneezaCreated on: 08-09-13 19:07 what is crude oil? dark smelly liquid ,a mixture of different chemical compounds. 1 of 5 why can't we use it out of the ground? it has too many substances at different boiling points. 2 of 5 how can we separate crude oil? by distillation. this is a process which separates substances from a mixture, with different boiling points. 3 of 5 what are hydrocarbons? (alkanes) compounds which contain 2 or more chemical elements. 4 of 5 what are alkanes? it is a hydrocarbon in crude oil. 5 of 5
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