Products from oil 0.0 / 5 ? ChemistryCrude oil, cracking and hydrocarbonsGCSEAQA Created by: laurenvautreyCreated on: 17-05-17 20:41 What is the process called where large hydrocarbon molecules are broken down into smaller molecules? Cracking 1 of 6 Name 1 way in which cracking can be done? by heating a mixture of hydrocarbon vapours and steam to a very high temperature. 2 of 6 Name the other way in which cracking can be done? by passing hydrocarbon vapours over a hot catalyst. 3 of 6 During cracking, what reactions happen to produce a mixture of smaller molecules. Thermal decomposition. 4 of 6 what are alkanes? Saturated hydrocarbons with the general formula CnH2n+2. 5 of 6 What are alkenes? Unsaturated hydrocarbons with the general formula Cn2n 6 of 6
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