AQA GCSE Chemistry Chemistry Paper 2 (Higher), 2024
Every question from AQA GCSE Chemistry Chemistry Paper 2 (Higher), 2024: 9 questions, 100 marks, each with its mark scheme and topic.
- Question 1 10 marks
Identify sodium and chloride ions using chemical tests, explain the purpose of heating to constant mass, identify the correct calculation for mass of solute, and calculate the mean concentration of sodium ions in a solution given the percentage by mass.
Chemistry · Required Practicals · C8: Chemical Analysis · C10: Using Resources · Required Practicals
- Question 2 8 marks
This multi-part question covers the Haber process, catalysts, gas testing, reaction profiles, and the uses of ammonium nitrate.
Chemistry · C6: The Rate and Extent of Chemical Change · C5: Energy Changes
- Question 3 9 marks
Identify the characteristics of the reaction between hydrogen and oxygen, define dynamic equilibrium for water dissociation, and explain the processes for producing potable water and treating sewage.
Chemistry · C6: The Rate and Extent of Chemical Change · C10: Using Resources
- Question 4 13 marks
Analyze paper chromatography results for orange dyes A and B, calculate Rf values, and compare with gas chromatography.
Chemistry · Required Practicals · C8: Chemical Analysis · Required Practicals
- Question 5 12 marks
This question involves analyzing the environmental impacts of burning hydrogen versus natural gas, performing a gas volume calculation, and explaining the fractional distillation process for producing kerosene.
Chemistry · C3: Quantitative Chemistry · C7: Organic Chemistry · C9: Chemistry of the Atmosphere
- Question 6 11 marks
Evaluate the use of aluminium alloy and bamboo for bicycle frames, explain why aluminium resists corrosion, suggest a method to protect bicycle chains from rusting, and identify the roles of carbon fibre and polymer resin in a composite material.
Chemistry
- Question 7 8 marks
This question covers the testing for sulfate ions, the effect of temperature and pressure on the equilibrium yield of sulfur trioxide in the Contact process, and the identification of the catalyst used.
Chemistry
- Question 8 13 marks
This multi-part question assesses knowledge of organic functional groups, chemical testing, combustion reactions, polymerisation, and the properties of polymers.
Chemistry · C7: Organic Chemistry · C2: Bonding, Structure and the Properties of Matter
- Question 9 16 marks
Analyze the rate of reaction between zinc and sulfuric acid through experimental data interpretation, mole calculations, tangent drawing, and collision theory explanations.
Chemistry · Required Practicals · C3: Quantitative Chemistry · C6: The Rate and Extent of Chemical Change