OCR A-LEVEL CHEMESTRY EXAMS 2025/2026
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Table of Contents
A-Level Chemistry A Periodic Table, Elements and Physical Chemistry EXAM 2021 (H432/01) ..................... 1
A-Level Chemistry A Periodic Table, Elements and Physical Chemistry 2021 MARKING SCHEME (H432/01)
..................................................................................................................................................................... 33
A-Level Chemistry A Synthesis and Analytical Techniques 2021 EXAM (H432/02)....................................... 69
A-Level Chemistry A Synthesis and Analytical Techniques 2021 MARKING SCHEME (H432/02) ................ 33
A-Level Chemistry A Unified Chemistry 2021 OCTOBER EXAM (H432/03) .................................................. 36
A-Level Chemistry A Unified Chemistry 2021 OCTOBER MARKING SCHEME (H432/03) ........................... 21
Data Sheet 2021 AS Level Chemistry A (H032) A Level Chemistry A (H432) ................................................ 27
A-Level Chemistry B Salters Fundamentals of Chemistry 2021 OCTOBER EXAM (H433/01) ....................... 32
A-Level Chemistry B Salters Fundamentals of Chemistry 2021 OCTOBER MARKING SCHEME (H433/01) 33
A-Level Chemistry B Salters Scientific Literacy in Chemistry 2021 EXAM (H433/02) .................................... 17
A Level Chemistry B Scientific literacy in chemistry Advanced Notice Article ................................................. 21
A-Level Chemistry B Salters Scientific Literacy in Chemistry 2021 Marking Scheme (H433/02) ...................... 9
A-Level Chemistry B Salters Practical Skills in Chemistry 2021 MARKING SCHEME (H433/03) .................. 17
A-Level Chemistry B Salters Practical Skills in Chemistry 2021 Exam (H433/03) .......................................... 14
A-Level Chemistry A Periodic Table, Elements and Physical Chemistry EXAM 2021 (H432/01)
Oxford Cambridge and RSA
, A Level Chemistry A
H432/01 Periodic table, elements and physical chemistry
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use the
lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be given
for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 100.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 32 pages.
ADVICE
• Read each question carefully before you start your answer.
© OCR 2021 [601/5255/2] OCR is an exempt Charity
DC (LK/FC) 301072/3 Turn over
,
, 2
SECTION A
You should spend a maximum of 20 minutes on this section
Write your answer to each question in the box provided.
Answer all the questions.
1 Which statement describes electronegativity?
A A measure of the reactivity of an element.
B The ability of an atom to attract an electron to become a 1– ion.
C The attraction of a bonded atom for the electrons in a covalent bond.
D The attraction of an atom for a lone pair of electrons.
Your answer [1]
2 A chlorate(VII) ion has a 1– charge.
What is the formula for sodium chlorate(VII)?
A NaCl O3
B NaCl O4
C NaCl O7
D NaCl O8
Your answer [1]
3 The unbalanced equation for the reaction of silver with concentrated nitric acid is shown below.
….. Ag(s) + ….. NO3 –(aq) + ….. H+(aq) → ….. Ag+(aq) + .…. NO(g) + ..… H 2O(l)
Which numbers for Ag and H2O will balance the equation?
Ag(s) H2O(l)
A 1 2
B 2 3
© OCR 2021