Cracking 0.0 / 5 ? ChemistryCrude oil, cracking and hydrocarbonsGCSEEdexcel Created by: LaurenkjCreated on: 24-11-18 14:42 Do we make something useful or not useful during fractional distillation of crude oil We make more long chained less useful hydrocarbons and less small chained more useful hydrocarbons. 1 of 5 An example of the Less useful things we make We have excess fuel oil and lubricating oils, but not enough petrol 2 of 5 What is cracking It’s when we crack the longer chains into smaller hydrocarbons 3 of 5 What does cracking need Aluminium oxide catalyst at 650° 4 of 5 What is formed during cracking At least one alkene 5 of 5
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