9H Science Crossword 0.0 / 5 ? ChemistryAtoms and compoundsGCSEAll boards Created on: 16-03-13 11:43 the process which makes rubber more elastic vulcunisation 1 of 6 made up of long chains of molecules (monomers) polymer 2 of 6 the law which says that during a chemical reaction the mass does not change conservation of mass 3 of 6 the raw materials for a synthetic polymer crude oil 4 of 6 a molecule containing hyrogen and carbon only hydrocarbon 5 of 6 produced when a hydrocarbon burns carbon dioxide and water 6 of 6
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