AQA GCSE · Analysis & Prediction

2022 AQA GCSE Chemistry 8462 Past Paper Analysis

A detailed assessment of the AQA GCSE Chemistry Foundation Tier 2022 series (Papers 1F and 2F). The examination featured highly accessible basic recall questions alongside challenging quantitative and graphical components, particularly in kinetics and thermodynamics practicals.

Updated: 14 Jun 2026

Analysis Sample paper

Difficulty 2.5/5

Total marks

200

Duration

210 mins

Most tested

Exothermic and endothermic reactions

Paper breakdown

Foundation Paper 1: 100 marks · 105 minsFoundation Paper 2: 100 marks · 105 mins

Top chapters

Exothermic and endothermic reactions · 18 marksRate of reaction · 16 marksThe Haber process and the use of NPK fertilisers · 15 marksCarbon compounds as fuels and feedstock · 15 marksLife cycle assessment and recycling · 14 marks

Overall Verdict

The 2022 AQA GCSE Chemistry Foundation Tier papers (8462/1F and 8462/2F) provided a highly balanced and accessible assessment of the specification. While a significant portion of the papers focused on direct recall and simple multiple-choice selections, several mathematical multi-step calculations and practical method planning questions acted as key differentiators for students aiming for top foundation grades.

Where the Marks are Found

A substantial proportion of marks was allocated to core chemistry practical skills and data analysis. In Paper 1, Question 10 was a major source of marks, assessing student knowledge of exothermic reactions, reaction profiles, and practical planning (6 marks). Over in Paper 2, Question 10 tested the evaluation of Life Cycle Assessments (LCAs) for milk bottles, demanding a coherent and structured comparison to secure the full 6 marks. Quantitative topics such as relative atomic mass, atom economy, and E5/E10 fuel conversions also represented high-value mark zones.

Examiner Pitfalls

According to the examiner reports, students frequently lost marks on the following:

Graph work: Drawing lines of best fit that were forced through the origin, or using thick, imprecise lines.
Gradient Calculation: In Q10.2 (Paper 1), many candidates struggled to calculate the gradient correctly and failed to provide the correct unit of \( \text{ }^{\circ}\text{C/g} \).
Method Writing: In Q10.1 (Paper 1) and Q4.3 (Paper 2), students often missed crucial control variables or sequential steps required for high-tier practical marks.
Chemical Formulae: Confusion was observed in representing ionic processes, with some students unable to describe electron transfer clearly during the formation of ionic bonds.

Strategy & Preparation Tips

To maximize success in future series, students should prioritize:

Practical Guides: Write out bulleted methods for all Required Practicals (RPAs), emphasizing equipment names (like burette or polystyrene cup) and control variables.
Maths in Chemistry: Master the conversion of units (such as kg to g) and practice reading double-y axis graphs and determining the gradients of straight lines.
Key Definitions: Practice writing precise definitions for isotopes, formulations, and dynamic equilibrium to secure straightforward recall marks.

Future Paper Predictions

Because dynamic equilibrium, chromatographic \( R_f \) calculations, and dynamic chemical cells were underrepresented in this series, future foundation papers are highly likely to feature these topics. Reviewing the Reactivity Series and extracting metals using carbon reduction should also be high priorities for the next revision cycle.

Charts

Marks by chapter

See where the marks were concentrated so revision time goes to the highest-value topics.

Question type mix

Compare the mark share of each paper section and question type.

Multiple Choice / Tick-box46 marks · 42 questions
Calculation31 marks · 12 questions
Short Answer111 marks · 44 questions
Extended Writing (Level of Response)12 marks · 2 questions

Mark accessibility

Estimate which marks were basic, mid-level, or high-difficulty.

85%within easy or medium reach

105

easy: 105 marksmedium: 65 markshard: 30 marks

Command word frequency

Spot common command words so answers match the expected response style.

Skill weighting

Shows the skill mix this paper tested most heavily.

Study ROI

Bigger bubbles recur more often; higher bubbles carry more marks, helping you rank revision priorities.

Atmosphere composition and evolution

9 marks · Difficulty 1.5 · recurrence 95%

Potable water and desalination

9 marks · Difficulty 1.8 · recurrence 85%

Atomic structure and isotope calculations

8 marks · Difficulty 2 · recurrence 90%

LCA comparisons and evaluation

14 marks · Difficulty 2.2 · recurrence 85%

Exothermic & endothermic reaction planning

18 marks · Difficulty 2.5 · recurrence 90%

Time vs marks

Compare marks with suggested time allocation to plan exam pacing.

marksmins

Next-year prediction

Topics worth watching next year, with the reason shown directly below each bar.

Titration and Concentration calculations85%

This series featured titrations only at a very superficial level (naming a burette and dynamic definitions), meaning a full calculation sequence is overdue.

Chromatography Rf values80%

Paper 2 assessed paper chromatography qualitatively, but calculating Rf values is highly overdue for the next series.

Chemical cells and fuel cells78%

This topic was totally omitted in Paper 1 and frequently returns in core energy change blocks.

Cumulative marks ladder

The line is your running mark total question by question; dashed lines are the estimated grade cut-offs. See which question the line crosses your target grade at, so you know how far you must answer cleanly and which questions decide a band.

Examiner insights

Official report

Common pitfalls

Plotting graphs with thick lines or failing to construct correct lines of best fit (e.g. attempting to draw curves where straight lines are appropriate, or vice-versa).
Omitting the units when prompted in calculations, such as the Celsius per gram (°C/g) gradient unit in Paper 1 Q10.2.
Incomplete structural representations of organic compounds (e.g., leaving blank bonds on monomers or failing to include double bonds).

Misconceptions

Believing that solid ionic compounds can conduct electricity, or failing to mention free ions when explaining conduction.
Confusing 'isotope' (varying neutrons) with ions of the same element.
Assuming that because E10 fuels release carbon dioxide when burned, they are not carbon-neutral, missing the uptake by plants during growth.

Where marks are lost

Losing calculation steps by failing to show structured working for atomic mass and E10 percentages.
Writing disorganized practical steps in Level-of-Response method prompts instead of numbered logical sequences.
Forgetting to apply simple scale divisions on graph coordinates, leading to wrong values for interpolated targets.

Estimated grade cut-off

Updated: 15 Jun 2026

Source: AQA

Level	Mark	Percentage
9	144/200	72%
8	123/200	62%
7	103/200	52%
6	80/200	40%
5	58/200	29%
4	36/200	18%
3	25/200	13%

Official grade boundaries published by AQA.

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