Chemistry - Crude Oil and Plastics GCSE End of topic test , Year 10 4.0 / 5 based on 3 ratings ? ChemistryCrude oil, cracking and hydrocarbonsGCSEAll boards Created by: Jasmine LambCreated on: 05-09-11 13:13 What group does ethanol belong to? Alcohols 1 of 19 What is the general formula of alkenes CnH2n 2 of 19 What is the word equation for fermentation? sugar(glucose)---->yeast----->ethanol+carbon dioxide 3 of 19 What is the process of using ethene to make ethanol called? Hydration 4 of 19 What are polymers made with specific properties called? Designer Polymers 5 of 19 What are hydrogels? Polymers made to absorb water forming in a gel substance 6 of 19 What is PET? A recycleable plastic used for it's properties 7 of 19 What is PET short for? Poly(ethene terephalate) 8 of 19 Do alkenes contain a single or double bond? Double bond 9 of 19 What is special about the bond alkenes contain? They allow them to react in ways alkanes can not 10 of 19 What is polymerisation? The reaction of monomers to make polymers 11 of 19 What are polymers? Large hydrocarbons made up of monomers 12 of 19 What are alkenes a product of? Cracking 13 of 19 Are alkanes saturated or unsaturated Saturated 14 of 19 What is the purpose of cracking? To break down heavier fractions left after fractional distillation into smaller more useful ones 15 of 19 What is cracking an example of? Thermal Decomposition 16 of 19 Where does cracking take place? In a cat cracker 17 of 19 What does cracking produce? shorter chain hyrdrocarbons,alkenes 18 of 19 What colour do alkenes turn bromine water? colourless 19 of 19
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