AQA GCSE Chemistry Chemistry Paper 2 (Foundation), November 2021
Every question from AQA GCSE Chemistry Chemistry Paper 2 (Foundation), November 2021 (8462): 10 questions, 100 marks, each with its mark scheme and topic.
- Question 1 9 marks
Answer questions on the formation and evolution of the Earth's atmosphere, including calculating gas percentages and completing the word equation for photosynthesis.
Chemistry · C9: Chemistry of the Atmosphere
- Question 2 13 marks
Analyse methods and calculations used to determine the salt concentration in sea water and methods for producing and sterilising potable water.
Chemistry · Required Practicals · C10: Using Resources · C4: Chemical Changes · Required Practicals
- Question 3 14 marks
Evaluate and compare materials used for window frames, including glass, polymers, wood, and aluminium alloys, and calculate the percentage composition of an alloy.
Chemistry · C2: Bonding, Structure and the Properties of Matter · C7: Organic Chemistry · C8: Chemical Analysis · C10: Using Resources
- Question 4 8 marks
Answer questions on reversible reactions, dynamic equilibrium, and the effect of pressure and other factors on the rate of reaction between gases.
Chemistry · C6: The Rate and Extent of Chemical Change
- Question 5 9 marks
Investigate the rate of reaction between zinc and sulfuric acid, identifying apparatus errors, drawing a line of best fit, calculating the mean rate of reaction, and predicting the effect of concentration.
Chemistry · Required Practicals · C6: The Rate and Extent of Chemical Change · Required Practicals
- Question 6 8 marks
Identify tests and observations for potassium, aluminium, and sulfate ions in potash alum, and calculate the mass required to make 800 cm³ of a 258 g/dm³ solution to 3 significant figures.
Chemistry · Required Practicals · C8: Chemical Analysis · C3: Quantitative Chemistry · Required Practicals
- Question 7 11 marks
Answer questions on organic compounds including uses of butane, the monomer of poly(propene), percentage yield of ethanol, balancing the combustion equation of ethanol, and comparing fermentation with hydration.
Chemistry · C3: Quantitative Chemistry · C7: Organic Chemistry · C10: Using Resources
- Question 8 12 marks
Describe trends in electricity generation from oil and solar energy from a bar chart, explain the environmental impacts of burning oil, and evaluate solar energy as an alternative.
Chemistry · C9: Chemistry of the Atmosphere · C10: Using Resources
- Question 9 8 marks
Plot and interpret boiling point data for alkanes, deduce the state and formula of specific alkanes, and explain fractional distillation behaviour based on boiling points.
Chemistry · C7: Organic Chemistry · C2: Bonding, Structure and the Properties of Matter
- Question 10 8 marks
Plan an investigation to determine the Rf value of a dye in food colouring using paper chromatography, and answer questions about chromatography phases and variables.
Chemistry · Required Practicals · C8: Chemical Analysis · Required Practicals