19 (b) Look at the displayed formula of propene. H
CH3 C
H
C H
Propene molecules can join together to form poly(propene). Describe and explain how propene molecules join together. Include an equation and the structure of the polymer in your answer. The quality of written communication will be assessed in your answer to this question. ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... .............................................................................................................................................. [6] [Total: 9]
Š OCR 2014
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