AQA GCSE Combined Science: Trilogy Chemistry Paper 1 (Higher), 2022
Every question from AQA GCSE Combined Science: Trilogy Chemistry Paper 1 (Higher), 2022: 7 questions, 70 marks, each with its mark scheme and topic.
- Question 1 9 marks
Answer a set of short questions about preparing salts, including observations for reacting copper carbonate with sulfuric acid, removing excess solid, identifying pH and reaction type, and calculating the mass of ammonium nitrate that crystallises from solubility graph data.
Chemistry · Required Practicals · C4: Chemical Changes · Chemistry Required Practicals
- Question 2 8 marks
Answer a series of questions about the electrolysis of potassium sulfate solution, including ionic formula, gas volumes, ratio explanation, uncertainty, and a concentration calculation.
Chemistry · Required Practicals · C3: Quantitative Chemistry · C4: Chemical Changes · Chemistry Required Practicals
- Question 3 6 marks
Plan an investigation to determine the order of reactivity of three metals by comparing the temperature change when each reacts with hydrochloric acid.
Chemistry · Required Practicals · C4: Chemical Changes · Chemistry Required Practicals
- Question 4 10 marks
Answer a series of questions about Group 7 elements, including their name, similar reactivity, a chlorine oxide formula, interpreting and completing a melting point bar chart, explaining the melting point trend, identifying bromine’s state at a given temperature, and naming a surface process at the boiling point.
Chemistry · C1: Atomic Structure and the Periodic Table · C2: Bonding, Structure and the Properties of Matter
- Question 5 9 marks
Identify a fullerene nanotube, state a property that makes it useful in nanotechnology, explain why alloying aluminium makes it harder, and compare covalent bonding in polymer chains with intermolecular forces between chains.
Chemistry · C2: Bonding, Structure and the Properties of Matter
- Question 6 11 marks
Answer a set of chemistry questions on hydrogen chloride and hydrochloric acid covering covalent bonding, strong acids, reaction rate with magnesium, pH change with concentration, and bond energy calculation for forming chloroethane from ethene and hydrogen chloride.
Chemistry · C2: Bonding, Structure and the Properties of Matter · C4: Chemical Changes
- Question 7 17 marks
Answer a set of chemistry questions on extracting metals using the reactivity series, balancing and interpreting redox equations, calculating the limiting reactant and maximum mass of product, and explaining electrical conduction in sodium metal and sodium chloride.
Chemistry · C1: Atomic Structure and the Periodic Table · C2: Bonding, Structure and the Properties of Matter · C3: Quantitative Chemistry · C4: Chemical Changes