AQA GCSE Combined Science: Trilogy Chemistry Paper 1 (Foundation), June 2025
Every question from AQA GCSE Combined Science: Trilogy Chemistry Paper 1 (Foundation), June 2025 (8464): 7 questions, 70 marks, each with its mark scheme and topic.
- Question 1 11 marks
Answer questions on atomic structure, discovery of subatomic particles, relative charges, calculating relative atomic mass of isotopes, drawing electronic configurations, and comparing representations of ionic bonding.
Chemistry · C1: Atomic Structure and the Periodic Table · C2: Bonding, Structure and the Properties of Matter
- Question 2 12 marks
Answer questions on the properties, bonding, structures, and formula masses of elements in the same row of the periodic table, including lithium, carbon, nitrogen, fluorine, and neon.
Chemistry · C1: Atomic Structure and the Periodic Table · C2: Bonding, Structure and the Properties of Matter · C3: Quantitative Chemistry
- Question 3 9 marks
Investigate the reaction of magnesium with oxygen, completing a word equation, identifying oxidation, calculating mass changes, identifying anomalies on a graph, and calculating a mean.
Chemistry · C3: Quantitative Chemistry · C4: Chemical Changes
- Question 4 8 marks
Answer questions about metal extraction, the electrolysis of aluminium oxide, alloy hardness, and describe the relationship shown on a melting point graph.
Chemistry · C2: Bonding, Structure and the Properties of Matter · C4: Chemical Changes
- Question 5 11 marks
Answer questions on acid-alkali neutralisation, identifying ions and pH, interpreting a reaction profile, drawing filtration apparatus, and naming reactants.
Chemistry · C4: Chemical Changes · C5: Energy Changes
- Question 6 9 marks
Explain safety precautions, plot experimental data, evaluate a hypothesis, calculate solution concentration, and identify products of electrolysis.
Chemistry · C3: Quantitative Chemistry · C4: Chemical Changes
- Question 7 10 marks
Define an exothermic reaction, calculate the percentage by mass of oxygen in calcium hydroxide, and plan an investigation to determine how the mass of calcium oxide affects the temperature change when added to water.
Chemistry · C3: Quantitative Chemistry · C5: Energy Changes