J258 - Study guides, Class notes & Summaries
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ocr GCSE Chemistry B (Twenty First Century Science) (J258/04) MARK SCHEME June2023.
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ocr GCSE Chemistry B (Twenty First Century Science) J258-04 MARK SCHEME June2023.
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ocr GCSE Chemistry B (Twenty First Century Science) (J258/04) QUESTION PAPER June2023.
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ocr GCSE Chemistry B (Twenty First Century Science) J258-04 QUESTION PAPER June2023.
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OCR GCSE JUNE 2022 CHEMISTRY B J258 QUESTION PAPER 3
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OCR GCSE JUNE 2022 CHEMISTRY B J258 QUESTION PAPER 3
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OCR GCSE (9−1) Chemistry B (Twenty First Century Science) (J258-01) Breadth in Chemistry (Foundation Tier)
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OCR GCSE (9−1) Chemistry B (Twenty First Century Science) (J258-01) Breadth in Chemistry (Foundation Tier)
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OXFORD CAMBRIDGE AND RSA 2024 GCSE Chemistry B Twenty First Century Science J258/03: Breadth in Chemistry (Higher Tier) QUESTION PAPER AND MARKING SCHEME MERGED
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OXFORD CAMBRIDGE AND RSA 2024 GCSE Chemistry B Twenty First Century Science J258/03: Breadth in Chemistry (Higher Tier) QUESTION PAPER AND MARKING SCHEME MERGED
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2024 OXFORD CAMBRIDGE AND RSA GCSE Chemistry B Twenty First Century Science J258/01: Breadth in Chemistry (Foundation Tier) QUESTION PAPER AND MARKING SCHEME.
- Exam (elaborations) • 54 pages • 2024
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2024 OXFORD CAMBRIDGE AND RSA GCSE Chemistry B Twenty First Century Science J258/01: Breadth in Chemistry (Foundation Tier) QUESTION PAPER AND MARKING SCHEME.
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2024 oxford cambridge and rsa GCSE Chemisty B Twenty First Century Science J258/02: Depth in Chemistry (Foundation Tier) question paper with merged marking scheme
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2024 oxford cambridge and rsa GCSE Chemisty B Twenty First Century Science J258/02: Depth in Chemistry (Foundation Tier) question paper with merged marking scheme
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Oxford Cambridge and RSA GCSE (9–1) Chemistry B (Twenty First Century Science) J258/02 Depth in Chemistry (Foundation Tier) QUESTION PAPER WITH MARKING SCHEME (MERGED)
- Exam (elaborations) • 49 pages • 2024
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Oxford Cambridge and RSA GCSE (9–1) Chemistry B (Twenty First Century Science) J258/02 Depth in Chemistry (Foundation Tier) QUESTION PAPER WITH MARKING SCHEME (MERGED)
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Oxford Cambridge and RSA GCSE (9–1) Chemistry B (Twenty First Century Science) J258/04 Depth in Chemistry (Higher Tier) QUESTION PAPER AND MARKING SCHEME (MERGED)
- Exam (elaborations) • 53 pages • 2024
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Oxford Cambridge and RSA GCSE (9–1) Chemistry B (Twenty First Century Science) J258/04 Depth in Chemistry (Higher Tier) QUESTION PAPER AND MARKING SCHEME (MERGED)
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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 unit of poly(ethene) 
(a) Which statements are true only for an ethene monomer, which are true only for the 
repeating unit of poly(ethene) and which are true for both? 
Tick () one box in each row. 
Tru...
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