AQA GCSE Chemistry Chemistry Paper 1 (Higher), June 2025
Every question from AQA GCSE Chemistry Chemistry Paper 1 (Higher), June 2025 (8462): 9 questions, 100 marks, each with its mark scheme and topic.
- Question 1 9 marks
Answer questions about periodic table trends, electronic configurations, Mendeleev's table, noble gases, isotopes, and relative atomic mass.
Chemistry · C1: Atomic Structure and the Periodic Table
- Question 2 11 marks
Describe the bonding in calcium sulfide, the structure and bonding of graphite, and the properties of small molecules and polymers.
Chemistry · C2: Bonding, Structure and the Properties of Matter
- Question 3 11 marks
Answer questions on metal extraction, redox, percentage atom economy, differences between transition and alkali metals, conservation of mass, and the importance of high atom economy.
Chemistry · C1: Atomic Structure and the Periodic Table · C3: Quantitative Chemistry · C4: Chemical Changes
- Question 4 11 marks
Answer questions on the properties, reactivity trends, and displacement reactions of Group 7 elements (halogens).
Chemistry · C1: Atomic Structure and the Periodic Table · C2: Bonding, Structure and the Properties of Matter
- Question 5 12 marks
Describe models of atomic structure and calculate the surface area to volume ratio of a cubic nanoparticle.
Chemistry · C1: Atomic Structure and the Periodic Table · C2: Bonding, Structure and the Properties of Matter
- Question 6 11 marks
Explain why aluminium oxide has a high melting point, state the role of cryolite, write the half equation for oxygen production, and explain why the positive electrode must be replaced.
Chemistry · C2: Bonding, Structure and the Properties of Matter · C4: Chemical Changes
- Question 7 11 marks
Evaluate hydrazine versus hydrogen in fuel cells, draw its dot-and-cross diagram, compare molecular models, and calculate an unknown bond energy.
Chemistry · C2: Bonding, Structure and the Properties of Matter · C5: Energy Changes
- Question 8 13 marks
Identify the alkali ion, suggest improvements to a titration plan, read a burette, calculate concentration from titration data, and compare strong and weak acid solutions.
Chemistry · Required Practicals · C4: Chemical Changes · C3: Quantitative Chemistry · Required Practicals
- Question 9 11 marks
Plan a method to obtain crystals of zinc iodide from zinc and iodine in ethanol, and calculate the percentage yield from reacting masses.
Chemistry · Required Practicals · Required Practicals · C3: Quantitative Chemistry · C4: Chemical Changes