AQA GCSE Chemistry Chemistry Paper 2 (Higher), 2022
Every question from AQA GCSE Chemistry Chemistry Paper 2 (Higher), 2022: 8 questions, 100 marks, each with its mark scheme and topic.
- Question 1 11 marks
Complete the displayed structure of butene, explain the recycling process and sustainability of copper, and describe chemical tests to identify copper(II) and sulfate ions.
Chemistry · Required Practicals · C7: Organic Chemistry · C10: Using Resources · C8: Chemical Analysis · Required Practicals
- Question 2 8 marks
Analyze the thermal decomposition of hydrated cobalt chloride, including mass changes, reaction completion, energy calculations, and reaction type.
Chemistry · C3: Quantitative Chemistry · C5: Energy Changes · C6: The Rate and Extent of Chemical Change
- Question 3 9 marks
Evaluate the use of glass versus polymer for milk bottles using life cycle assessment data, and calculate the mass of a cardboard carton using density and volume.
Chemistry · C10: Using Resources
- Question 4 16 marks
Analyze fractional distillation of crude oil, balance a hydrocarbon combustion equation, explain the environmental impact of sulfur impurities, and identify cracking conditions and alkene test results.
Chemistry
- Question 5 12 marks
Describe sewage treatment, analyze desalination and filtration of ground water, explain the everyday meaning of 'pure', and describe the chemical test for chlorine.
Chemistry · C10: Using Resources · C8: Chemical Analysis
- Question 6 10 marks
Analyze changes in the Earth's early atmosphere using a graph of gas percentages over time, and describe how natural gas deposits were formed.
Chemistry · C9: Chemistry of the Atmosphere
- Question 7 17 marks
Analyze the Haber process, including raw materials, atom economy, separation of ammonia, plotting and extrapolating yield data against pressure, and explaining the choice of reaction conditions based on rate, equilibrium, and cost.
Chemistry · C10: Using Resources · C3: Quantitative Chemistry · C6: The Rate and Extent of Chemical Change
- Question 8 17 marks
Analyze the reaction between sodium thiosulfate and hydrochloric acid by calculating reaction rates from a tangent, explaining concentration effects, sketching predicted curves, and determining reactant volume ratios from graphs.
Chemistry · Required Practicals · Required Practicals · C6: The Rate and Extent of Chemical Change · C3: Quantitative Chemistry