C1 - Cracking 0.0 / 5 ? ChemistryCrude oil, cracking and hydrocarbonsGCSEOCR Created by: RachelcfxCreated on: 06-05-16 22:39 What is cracking? When crude oil fractions from fractional distillation are SPLIT INTO SMALLER MOLECULES. 1 of 5 What is thermal decomposition? When one substance breaks down into at least two new ones when heated. 2 of 5 Why is cracking useful for longer molecules? Because there is a high demand for products like petrol. 3 of 5 Cracking also produces alkENE molecules, which can be used to make ____ Polymers. 4 of 5 What is needed for the cracking process. Hot, catalyst. 5 of 5
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