Ocr a level chemistry b Study guides, Class notes & Summaries
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OCR 2023 Chemistry A H432/02: Synthesis and analytical techniques A Level Question Paper & Mark Scheme (Merged)
- Exam (elaborations) • 67 pages • 2024
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OCR 2023 
Chemistry A 
H432/02: Synthesis and analytical 
techniques A Level 
Question Paper & Mark Scheme 
(Merged) 
Please Review and leave your 
Rating stars…. 
Please write clearly in black ink. Do not write in the barcodes. 
Centre number Candidate number 
First name(s) 
Last name 
Oxford Cambridge and RSA 
Monday 19 June 2023 – Afternoon 
A Level Chemistry A 
H432/02 Synthesis and analytical techniques 
Time allowed: 2 hours 15 minutes 
INSTRUCTIONS 
• Use black ink. You can use a...
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OCR 2023 Chemistry A H432/03: Unified chemistry A Level Question Paper & Mark Scheme (Merged)
- Exam (elaborations) • 58 pages • 2024
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OCR 2023 
Chemistry A 
H432/03: Unified chemistry 
A Level 
Question Paper & Mark Scheme 
(Merged) 
Please Review and leave your Rating 
stars…. 
Please write clearly in black ink. Do not write in the barcodes. 
Centre number Candidate number 
First name(s) 
Last name 
Oxford Cambridge and RSA 
Friday 23 June 2023 – Morning 
A Level Chemistry A 
H432/03 Unified chemistry 
Time allowed: 1 hour 30 minutes 
INSTRUCTIONS 
• Use black ink. You can use an HB pencil, but only for graphs and dia...
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OCR A Level Chemistry B (Salters) H433/01 Fundamentals of Chemistry June 2023 Question Paper
- Exam (elaborations) • 36 pages • 2024
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OCR A Level Chemistry B (Salters) H433/01 Fundamentals of Chemistry June 2023 Question Paper
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OCR A Level Chemistry B (Salters) H433/02 Scientific literacy in chemistry June 2023 Questiion Paper
- Exam (elaborations) • 24 pages • 2024
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OCR A Level Chemistry B (Salters) H433/02 Scientific literacy in chemistry June 2023 Questiion Paper
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OCR A Level Chemistry B (Salters) H433/01 Fundamentals of Chemistry June 2023 Question Paper
- Exam (elaborations) • 36 pages • 2024
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OCR A Level Chemistry B (Salters) H433/01 Fundamentals of Chemistry June 2023 Question Paper
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OCR A Level Chemistry B (Salters) H433/03 Practical skills in chemistry June 2023 QUESTION PAPER
- Exam (elaborations) • 16 pages • 2024
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OCR A Level Chemistry B (Salters) H433/03 Practical skills in chemistry June 2023 QUESTION PAPER
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OCR A Level Chemistry B (Salters) H433/01 Fundamentals of Chemistry June 2023 Question Paper
- Exam (elaborations) • 36 pages • 2024
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OCR A Level Chemistry B (Salters) H433/01 Fundamentals of Chemistry June 2023 Question Paper
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OCR A Level Chemistry B (Salters) H433/02 Scientific literacy in chemistry June 2023 Questiion Paper
- Exam (elaborations) • 24 pages • 2024
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OCR A Level Chemistry B (Salters) H433/02 Scientific literacy in chemistry June 2023 Questiion Paper
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OCR A Level Chemistry B (Salters) H433/03 Practical skills in chemistry June 2023 QUESTION PAPER
- Exam (elaborations) • 16 pages • 2024
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OCR A Level Chemistry B (Salters) H433/03 Practical skills in chemistry June 2023 QUESTION PAPER
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OCR A Level Chemistry Paper 1 (H432/01) Periodic table, Elements and physical chemistry Mark Scheme June 2023
- Exam (elaborations) • 35 pages • 2024
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OCR A Level Chemistry Paper 1 (H432/01) Periodic table, Elements and physical chemistry Mark Scheme June 2023. FIRST CHECK THE ANSWER ON ANSWER LINE 
If answer = –1872 award 2 marks 
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H lattice = 
2(+ 296) – 965 – 503 – 180 + 2(–107)– 602 
H lattice = –1872 (kJ mol–1 
) 
2 AO2.2 
2 
ALLOW for 1 mark +1872 (wrong sign on answer) 
Common errors for 1 mark 
–3056 (–296 x 2 instead of 296 x2) 
–2168 (2...