Chemistry as level ocr - Study guides, Class notes & Summaries
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OCR AS Level Chemistry A H032/01 JUNE 2023 QUESTION PAPER: Breadth in chemistry
- Exam (elaborations) • 36 pages • 2023
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Chemistry As Level OCR | 52 Questions and Answers with complete solution
- Exam (elaborations) • 5 pages • 2023
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Atomic Radius, Nuclear Charge, Electron Shielding - What are the 3 things that affect first ionisation 
energy? 
Increase. More protons- stronger attraction. Not much extra shielding. - What is the general trend in 
ionisation energy across periods? And why? 
Decrease due to increased attraction between electrons and nucleus. - What is the trend in atomic 
radius across a period? 
Increase due to metallic bonds getting stronger. - What is the trend in boiling points across metals? 
Silicon. Stro...
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OCR AS Level Chemistry B (Salters) H033/02 Chemistry in depth 2022 QP
- Exam (elaborations) • 32 pages • 2023
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OCR AS Level Chemistry B (Salters) H033/02 Chemistry in depth
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ACTUAL OCR GCE Chemistry A H032/01: Breadth in chemistry AS Level Mark Scheme for June 2022
- Exam (elaborations) • 24 pages • 2023
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QUESTIONS AND ANSWERS
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OCR 2023 Chemistry A H032/02: Depth in chemistry AS Level Question Paper & Mark Scheme (Merged)
- Exam (elaborations) • 7 pages • 2024
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OCR 2023 Chemistry A H032/02: Depth in chemistry 
AS Level Question Paper & Mark Scheme (Merged) 
(i) The uncertainty in each thermometer reading is ±0.5°C and the 
uncertainty in the measured volume of water is ±2cm3. 
Determine whether the temperature change or the measured 
volume of water has the greater percentage uncertainty - ANSpercentage uncertainty= (Absolute Uncertainty / Measured Value) 
x 100 
uncertainty of measure volume of water= 
2/200 x 100= 1 
uncertainty of temp ris...
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OCR AS Level Chemistry A H032/01 JUNE 2023 MARK SCHEME: Breadth in chemistry
- Exam (elaborations) • 26 pages • 2023
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This is the final mark scheme
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OCR AS LEVEL CHEMISTRY B (SALTERS)H033/01 FOUNDATIONS OF CHEMISTRY LATEST ACTUAL EXAM 2024-2025 WITH EXACT QUESTIONS AND CORRECT VERIFIED ANSWERS|A GRADED
- Exam (elaborations) • 82 pages • 2024
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OCR AS LEVEL CHEMISTRY B (SALTERS)H033/01 
FOUNDATIONS OF CHEMISTRY LATEST ACTUAL 
EXAM WITH EXACT QUESTIONS AND 
CORRECT VERIFIED ANSWERS|A GRADED
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OCR 2024 AS Level Chemistry A H032/02 Depth in chemistry Question Paper & Mark Scheme (Merged)
- Exam (elaborations) • 47 pages • 2024
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OCR 2024 AS Level Chemistry A H032/02 Depth in chemistry Question Paper & Mark Scheme (Merged)
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OCR 2024 AS Level Chemistry B (Salters) H033/01 Foundations of chemistry Question Paper & Mark Scheme (Merged)
- Exam (elaborations) • 41 pages • 2024
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OCR 2024 AS Level Chemistry B (Salters) H033/01 Foundations of chemistry Question Paper & Mark Scheme (Merged)
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