AQA GCSE Combined Science: Trilogy Chemistry Paper 1 (Foundation), 2021
Every question from AQA GCSE Combined Science: Trilogy Chemistry Paper 1 (Foundation), 2021: 7 questions, 70 marks, each with its mark scheme and topic.
- Question 1 10 marks
A series of questions regarding the reaction of magnesium with chlorine, the decomposition of magnesium carbonate, and associated calculations of percentage mass and mean values.
Chemistry · C3: Quantitative Chemistry · C4: Chemical Changes · C8: Chemical Analysis
- Question 2 8 marks
This multi-part question assesses understanding of the electrolysis of copper chloride solution, including ion movement, products at electrodes, and a calculation of mass in a given volume of solution.
Chemistry · C4: Chemical Changes
- Question 3 12 marks
Assess the atomic structure of carbon, the bonding in graphite, and identify different allotropes of carbon.
Chemistry · C1: Atomic Structure and the Periodic Table · C2: Bonding, Structure and the Properties of Matter
- Question 4 9 marks
Identify Group 1 elements, interpret a melting point graph, balance a chemical equation, calculate relative formula mass, and compare the reactions of sodium and potassium with water.
Chemistry · C1: Atomic Structure and the Periodic Table · C3: Quantitative Chemistry · C4: Chemical Changes
- Question 5 11 marks
Analyze an investigation into the temperature change when zinc is added to copper sulfate solution, including experimental improvements, data extraction, reaction classification, gradient calculation, and prediction.
Chemistry · C5: Energy Changes · C6: The Rate and Extent of Chemical Change
- Question 6 8 marks
This question covers the periodic table, atomic models, the definition of isotopes, and the calculation of relative atomic mass for potassium.
Chemistry · C1: Atomic Structure and the Periodic Table
- Question 7 12 marks
This question covers the reactions of acids, including pH changes, state symbols, observations of reactions with carbonates, ionic formulae, and planning a method to produce a pure, dry sample of a soluble salt.
Chemistry · C4: Chemical Changes