Ocr chemistry a - Study guides, Class notes & Summaries
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OCR 2023 Chemistry A H032/02: Depth in chemistry AS Level Question Paper & Mark Scheme (Merged)
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QUESTIONS AND ANSWERS
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ocr AS Level Chemistry A H032/01 June2023 Question Paper and Mark Scheme 100% CORRECT.
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ocr AS Level Chemistry A H032/01 June2023 Question Paper and Mark Scheme 100% CORRECT.
ocr AS Level Chemistry A H032-01 June2023 Mark Scheme.
ocr AS Level Chemistry A H032-01 May2023 Question Paper.
H032/01 QP and MS
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OCR A Level Chemistry A Paper 2 Mark-scheme June 202-3
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OCR A Level Chemistry A Paper 2 Mark-scheme June 202-3
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OCR A Level Chemistry A Paper 3 Mark-scheme June 202-3
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OCR A Level Chemistry A Paper 3 Mark-scheme June 202-3
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OCR A Level Chemistry A H432/02 JUNE 2023 QUESTION PAPER: Synthesis and analytical techniques
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This is the official question paper
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2024 OCR GCSE (9–1) Chemistry A (Gateway Science) J248/03 (Higher Tier) Actual Mark Scheme and Question Paper Combined
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2024 OCR 
GCSE (9–1) Chemistry A (Gateway 
Science) 
J248/03 (Higher Tier) 
Actual Mark Scheme 
and Question Paper 
Combined
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2024 OCR GCSE (9–1) Chemistry A (Gateway Science) J248/02 (Foundation Tier) Actual Mark Scheme and Question Paper Combined
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2024 OCR 
GCSE (9–1) Chemistry A (Gateway 
Science) 
J248/02 (Foundation Tier) 
Actual Mark Scheme 
and Question Paper 
Combined
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2024 OCR GCSE (9–1) Chemistry A (Gateway Science) J248/04 (Higher Tier) Actual Mark Scheme and Question Paper Combined
- Exam (elaborations) • 57 pages • 2024
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2024 OCR 
GCSE (9–1) Chemistry A (Gateway 
Science) 
J248/04 (Higher Tier) 
Actual Mark Scheme 
and Question Paper 
Combined
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OCR CHEMISTRY A LEVEL WITH COMPLETE SOLUTIONS Haloalkane to nitrile - ANSWER-nucleophilic substitution ethanolic NaCN or KCN heat Haloalkane to primary amine (also makes NH4X) - ANSWER-Nucleophilic substitution Excess ethanolic NH3 with no further s
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OCR CHEMISTRY A LEVEL WITH COMPLETE SOLUTIONS 
 
Haloalkane to nitrile - ANSWER-nucleophilic substitution 
 
ethanolic NaCN or KCN 
 
heat 
 
Haloalkane to primary amine (also makes NH4X) - ANSWER-Nucleophilic substitution 
 
Excess ethanolic NH3 with no further substitution 
 
HEAT under PRESSURE 
 
acyl chloride/acid anhydride to SECONDARY amide - ANSWER-Nucleophilic substitution 
 
primary amine 
 
Acyl chloride/acid anhydride to PRIMARY amide - ANSWER-Nucleophilic substitution 
 
Alkene t...
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