Chemistry 0.0 / 5 ? ChemistryElectrolysisGCSEAQA Created by: phoebeisreemCreated on: 17-10-13 12:36 What can crude oil be used to produce? fuels and chemicals 1 of 8 Chemicals include... solvents such as ethanol and monomers used for the manufacture of plastics (ethene) 2 of 8 How can Ethanol be made? 1) manufactured from renewable sources such as grain or other carbohydrates by FERMENTATION. 2) By reacting ethene with steam 3 of 8 Explain cracking Cracking is a process which uses heat and a catalyst to break down the vapours of larger hydrocarbon molecules into smaller ones. 4 of 8 Why are smaller molecules better than larger molecules? in reference to cracking they are more volatile and make better fuelss 5 of 8 What is the general formula of Alkenes? CnH2n 6 of 8 What can Alkenes be used to make? Plastics 7 of 8 Why does ethene form? because there are not enough hydrogen atoms to make ethane 8 of 8
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