Chemistry C1.5 GCSE Quiz 4.0 / 5 based on 2 ratings ? ChemistryGCSEAQA Created by: ZoloCreated on: 31-05-13 17:34 Cracking produces saturated hydrocarbons and unsaturated hydrocarbons which are called are all so called... Alkenes 1 of 5 When alkenes react with orange bromine water what colour does it turn? Colourless 2 of 5 Plastics are made of polymers, polymers are large molecules made when monomers (small, reactive molecules) join together what is this reaction called? Polymerisation 3 of 5 Name a substance that can be used to speed up the break down process of plastics. Starch 4 of 5 Ethanol can be made from ethene reacting with what in the presence of a catalyst? Steam 5 of 5
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