Exam (elaborations)
OCR 2023 GCSE CHEMISTRY B TWENTY FIRST CENTURY SCIENCE J258/02: DEPTH IN CHEMISTRY (FOUNDATION TIER) QUESTION PAPER & MARK SCHEME (MERGED)
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2 © OCR 2023 1 Poly(ethene) is a polymer which forms when ethene monomers react together in an addition polymerisation reaction. The structure of an ethene monomer and the repeating unit of poly(ethene) are shown in Fig. 1.1. Fig. 1.1 H H H H C C C C H H H H Ethene monomer Repeating uni...
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