AQA GCSE Chemistry Chemistry Paper 2 (Foundation), June 2023
Every question from AQA GCSE Chemistry Chemistry Paper 2 (Foundation), June 2023 (8462): 10 questions, 100 marks, each with its mark scheme and topic.
- Question 1 9 marks
Identify features of the Earth's atmosphere and the decomposition of hydrogen peroxide involving oxygen.
Chemistry · C6: The Rate and Extent of Chemical Change · C8: Chemical Analysis · C9: Chemistry of the Atmosphere
- Question 2 12 marks
Evaluate properties of borosilicate glass and poly(propene) for beakers, identify the raw materials for glass, complete a table about propene's composition, identify its repeating unit, and name the stages of its production.
Chemistry · C1: Atomic Structure and the Periodic Table · C7: Organic Chemistry · C10: Using Resources
- Question 3 10 marks
Label a paper chromatography setup, identify an experimental error, explain why a dye is a mixture, calculate an Rf value from measurements, and identify the spot with the greatest Rf value.
Chemistry · Required Practicals · C8: Chemical Analysis · Required Practicals
- Question 4 9 marks
Explain observations and mass changes during the thermal decomposition of calcium hydroxide and analyze the energy changes of the reversible reaction.
Chemistry · C3: Quantitative Chemistry · C5: Energy Changes · C6: The Rate and Extent of Chemical Change
- Question 5 9 marks
Identify greenhouse gases, explain their role in maintaining Earth's temperature, state what radiation they absorb, identify effects of climate change, and calculate the mass of water vapour in the atmosphere in grams.
Chemistry · C9: Chemistry of the Atmosphere
- Question 6 12 marks
Analyze fuels used for electricity generation, comparing their properties, atmospheric pollutants produced (sulfur dioxide and particulates), and trends in UK fuel use from 2002 to 2020.
Chemistry · C2: Bonding, Structure and the Properties of Matter · C9: Chemistry of the Atmosphere
- Question 7 10 marks
Identify properties and compositions of steels, calculate the mass of titanium in an alloy, and interpret data from a table of titanium alloys.
Chemistry · C10: Using Resources
- Question 8 10 marks
Investigate the rate of reaction between zinc and sulfuric acid, calculate the mean time taken excluding anomalies, identify factors that decrease rate, and describe the test for hydrogen gas.
Chemistry · Required Practicals · C6: The Rate and Extent of Chemical Change · C8: Chemical Analysis · Required Practicals
- Question 9 11 marks
Analyze energy released by combustion of alcohols, test for carbon dioxide, and examine the reactions and structure of ethanoic acid.
Chemistry · C7: Organic Chemistry · C8: Chemical Analysis
- Question 10 8 marks
Plan a method to test for potassium and bromide ions in a sample, and identify an instrumental method to detect potassium ions along with its advantages.
Chemistry · Required Practicals · C8: Chemical Analysis · Required Practicals