Cracking & Hydrocarbons 4.5 / 5 based on 7 ratings ? ChemistryCrude oil, cracking and hydrocarbonsGCSEAQA Created by: MattJGCreated on: 09-02-17 21:02 8109354721 Across 1. Apart from alkenes and alkanes what else is made during the process of cracking? (8) 3. What is the name of the process by which large hydrocarbons are broken up into smaller, more useful molecules? (8) 5. The process of cracking sometimes involves vapourising the hydrocarbons and then mixing the vapours with... what? (5) 7. As well as alkanes, what other group of hydrocarbons are made as a result of cracking? (7) 10. Are larger hydrocarbons more or less viscous than smaller hydrocarbons? (4) Down 2. What is the scientific term used for the chemical reaction when a fuel burns? (10) 3. During cracking, hydrocarbons are often passed over a substance so that they break apart. What is this substance known as? (8) 4. What is produced by the combustion of Hydrogen? (5) 8. During cracking, the catalyst __________ the bonds in the large hydrocarbon. (6) 9. What substance is used to test for an unsaturated hydrocarbon? (7)
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