AQA GCSE Combined Science: Trilogy Chemistry Paper 2 (Foundation), 2024
Every question from AQA GCSE Combined Science: Trilogy Chemistry Paper 2 (Foundation), 2024: 7 questions, 70 marks, each with its mark scheme and topic.
- Question 1 11 marks
Answer a set of short questions about the composition and evolution of the Earth's atmosphere, greenhouse gases, a carbon dioxide trend graph, and calculate the relative formula mass of carbon dioxide.
Chemistry · C1: Atomic Structure and the Periodic Table · C9: Chemistry of the Atmosphere
- Question 2 8 marks
Answer short questions on identifying chemicals using melting point data, the test for water with anhydrous copper sulfate, reversible reactions, counting atoms in CuSO4, and the test for chlorine gas.
Chemistry · C1: Atomic Structure and the Periodic Table · C6: The Rate and Extent of Chemical Change · C8: Chemical Analysis
- Question 3 9 marks
Identify formulation as a designed mixture and use paper chromatography to explain the start line choice, calculate an Rf value, and identify a blue dye in printer ink from Rf data.
Chemistry · C8: Chemical Analysis
- Question 4 10 marks
Answer questions about potable water treatment and an investigation measuring dissolved solids in different water samples, including variables, a calculation, and completing a bar chart.
Chemistry · C10: Using Resources
- Question 5 10 marks
Calculate aluminium recycling amounts and can numbers, then evaluate the sustainability of disposing of wood and steel using life cycle assessment data.
Chemistry · C10: Using Resources
- Question 6 10 marks
Define hydrocarbons, use the alkane formula, explain fractional distillation of crude oil, balance a cracking equation, describe the test for alkenes, and identify poly(propene) as a polymer.
Chemistry · C7: Organic Chemistry · C8: Chemical Analysis
- Question 7 12 marks
Describe a valid method to investigate how calcium carbonate particle size affects reaction rate, explain how temperature increases reaction rate using particle collision theory, define a catalyst, and name biological catalysts.
Chemistry · Biology · C6: The Rate and Extent of Chemical Change · B2: Organisation