AQA GCSE Combined Science: Trilogy Chemistry Paper 2 (Foundation), 2022
Every question from AQA GCSE Combined Science: Trilogy Chemistry Paper 2 (Foundation), 2022: 7 questions, 70 marks, each with its mark scheme and topic.
- Question 1 9 marks
Analyze the composition, evolution, and pollutants of the Earth's atmosphere, including gas tests and data interpretation from graphs.
Chemistry · C9: Chemistry of the Atmosphere · C8: Chemical Analysis
- Question 2 8 marks
Identify biological and chemical processes related to fossil fuels and analyze UK electricity generation trends from a stacked bar chart.
Biology · Chemistry · Physics · B4: Bioenergetics · C9: Chemistry of the Atmosphere · C10: Using Resources · P1: Energy
- Question 3 8 marks
Answer questions about ammonia, reversible reactions, equilibrium, catalysts, and formulations.
Chemistry · C6: The Rate and Extent of Chemical Change · C2: Bonding, Structure and the Properties of Matter · C8: Chemical Analysis · C4: Chemical Changes
- Question 4 14 marks
Analyze an investigation into the effect of concentration on the rate of reaction between sodium thiosulfate and hydrochloric acid, including data plotting and mean calculation.
Chemistry · C6: The Rate and Extent of Chemical Change
- Question 5 11 marks
Identify properties, names, and reactions of alkanes, perform a percentage calculation, balance a cracking equation, and evaluate life cycle assessment data for window frames.
Chemistry · C7: Organic Chemistry · C10: Using Resources · C3: Quantitative Chemistry
- Question 6 10 marks
Analyze a chromatography experiment to identify setup errors, interpret results for ink composition, and calculate solvent distance using the Rf value formula.
Chemistry · C8: Chemical Analysis
- Question 7 10 marks
Compare the processes for obtaining potable water from different sources and calculate the concentration of a sodium chloride solution.
Chemistry · C10: Using Resources · C3: Quantitative Chemistry