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Exam (elaborations)

A level OCR A chemistry Questions & Correct Answers- Latest updated Graded A+ Passed
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35

January 2026

2025/2026

A+
A level OCR A chemistry Questions & Correct Answers- Latest updated Graded A+ Passed
Chareiezekiel
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OCR A level Chemistry - Inorganic/Physical Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed
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October 2024
OCR A level Chemistry - Inorganic/Physical Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed
ScholarsAscend
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A level OCR A chemistry Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed
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August 2024

2024/2025

A+
rate of reaction ֎ -:- the change in concentration of a reactant or product per unit time rate constant (k) ֎ -:- The constant that links the rate of reaction with the concentrations of the reactants raised to the powers of their orders in the rate equation. half-life ֎ -:- The time taken for the concentration of the reactant to reduce by half Benzene ֎ -:- a naturally occurring aromatic compound, which is a very stable planar ring structure with delocalised electrons Model ֎ -...
ScholarsAscend
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Exam (elaborations)

A LEVEL OCR A CHEMISTRY EXAM QUESTIONS AND ANSWERS
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18

May 2024

2023/2024

A+
A LEVEL OCR A CHEMISTRY EXAM QUESTIONS AND ANSWERS A LEVEL OCR A CHEMISTRY EXAM QUESTIONS AND ANSWERS A LEVEL OCR A CHEMISTRY EXAM QUESTIONS AND ANSWERS
Ryy
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A LEVEL OCR A CHEMISTRY EXAM QUESTIONS AND ANSWERS
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3.0

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18

May 2024

2023/2024

A+
A LEVEL OCR A CHEMISTRY EXAM QUESTIONS AND ANSWERS A LEVEL OCR A CHEMISTRY EXAM QUESTIONS AND ANSWERS A LEVEL OCR A CHEMISTRY EXAM QUESTIONS AND ANSWERS
Ryy
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Exam (elaborations)

A LEVEL OCR A CHEMISTRY EXAM QUESTIONS AND ANSWERS
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18

May 2024

2023/2024

A+
A LEVEL OCR A CHEMISTRY EXAM QUESTIONS AND ANSWERS A LEVEL OCR A CHEMISTRY EXAM QUESTIONS AND ANSWERS A LEVEL OCR A CHEMISTRY EXAM QUESTIONS AND ANSWERS
Ryy
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Exam (elaborations)

A Level OCR A -Chemistry Paper 3 MARKING SCHEME
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11

March 2024

2023/2024

A+
Amount of substance equations - CORRECT ANSWERS-mass = mr x moles mol = vol x conc vol(gas) = mol x 24 (dm) PV=nRT (pressure, Pa, volume, m3, moles, -, 8.314, temp, k) Empirical formula - CORRECT ANSWERS-The simplest whole number ratio of atoms of each element in a compound Molecular formula - CORRECT ANSWERS-The number and type of atoms of each element in a molecule Celsius to Kelvin - CORRECT ANSWERSK=C+273 % yield and atom economy - CORRECT ANSWERS-% yield = (actual/ theoretical) x...
DOCSTUVIA
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