AQA GCSE Combined Science: Trilogy Chemistry Paper 1 (Higher), 2024
Every question from AQA GCSE Combined Science: Trilogy Chemistry Paper 1 (Higher), 2024: 8 questions, 70 marks, each with its mark scheme and topic.
- Question 1 9 marks
Use a graph to make conclusions about copper production, explain why a copper-zinc alloy is harder than pure copper, and calculate the mass of copper in a sample of alloy.
Chemistry · Required Practicals · C2: Bonding, Structure and the Properties of Matter · C3: Quantitative Chemistry
- Question 2 8 marks
Prepare copper sulfate from copper carbonate and sulfuric acid, describe crystallisation, and plot a line of best fit for thermal decomposition data.
Chemistry · Required Practicals · C4: Chemical Changes · Chemistry Required Practicals
- Question 3 6 marks
Compare the structure and bonding of sodium chloride and oxygen.
Chemistry · C2: Bonding, Structure and the Properties of Matter
- Question 4 8 marks
Answer questions about nitric acid as a strong acid, dilution, pH and hydrogen ion concentration, ionic equations for acid–alkali neutralisation, reacting magnesium carbonate with nitric acid, and improving a temperature-change investigation.
Chemistry · Required Practicals · C4: Chemical Changes · Chemistry Required Practicals
- Question 5 14 marks
Complete a dot-and-cross diagram for ammonia, calculate the mass of hydrogen needed to make 25 g of ammonia, calculate the H–H bond energy from bond energies, and complete the exothermic reaction profile.
Chemistry · C2: Bonding, Structure and the Properties of Matter · C3: Quantitative Chemistry · C5: Energy Changes
- Question 6 8 marks
Answer questions about extracting metals, including a reactivity series, extraction of aluminium by electrolysis, cryolite, and the half-equation at the negative electrode.
Chemistry · C4: Chemical Changes
- Question 7 10 marks
Explain ionic bonding in calcium chloride, compare the reactivity of chlorine and bromine, and describe the boiling point trend of hydrogen halides with relative formula mass.
Chemistry · C1: Atomic Structure and the Periodic Table · C2: Bonding, Structure and the Properties of Matter
- Question 8 7 marks
Describe the structure, uses, amount of substance, and electrical conductivity of carbon nanotubes.
Chemistry · C2: Bonding, Structure and the Properties of Matter · C3: Quantitative Chemistry · C7: Organic Chemistry