AQA GCSE Chemistry Chemistry Paper 1 (Higher), November 2021
Every question from AQA GCSE Chemistry Chemistry Paper 1 (Higher), November 2021 (8462): 9 questions, 100 marks, each with its mark scheme and topic.
- Question 1 11 marks
Answer questions on the structure, bonding, and properties of fullerenes, propanone, and graphite.
Chemistry · C2: Bonding, Structure and the Properties of Matter
- Question 2 9 marks
Define isotopes, calculate the relative atomic mass of gallium from isotopic abundances, determine subatomic particle numbers, identify its ion formula, and explain how its discovery supported Mendeleev's periodic table.
Chemistry · C1: Atomic Structure and the Periodic Table · C2: Bonding, Structure and the Properties of Matter
- Question 3 10 marks
Calculate the relative atomic mass and identify an unknown metal, determine percentage atom economy for tin extraction, and evaluate three methods for extracting tungsten.
Chemistry · C1: Atomic Structure and the Periodic Table · C3: Quantitative Chemistry · C4: Chemical Changes
- Question 4 16 marks
Explain the reactivity trends and reactions of Group 1 elements, including writing balanced equations, drawing dot and cross diagrams for sodium oxide, and explaining its high melting point.
Chemistry · C1: Atomic Structure and the Periodic Table · C2: Bonding, Structure and the Properties of Matter · C4: Chemical Changes
- Question 5 10 marks
Answer questions on the preparation and neutralisation reactions of salts, followed by calculating the volume of chlorine gas reacting with iron.
Chemistry · Required Practicals · C4: Chemical Changes · Required Practicals · C3: Quantitative Chemistry
- Question 6 8 marks
Identify a metal from physical properties, explain why alloys are harder than pure metals, and describe a method using temperature change to compare metal reactivity.
Chemistry · Required Practicals · C2: Bonding, Structure and the Properties of Matter · C4: Chemical Changes · C5: Energy Changes · Required Practicals
- Question 7 17 marks
Explain differences between electrolysis and chemical cells, complete half equations and electrolysis products, evaluate an experiment measuring mass of copper deposited including graph analysis, and calculate the number of copper atoms formed.
Chemistry · Required Practicals · C3: Quantitative Chemistry · C4: Chemical Changes · C5: Energy Changes · Required Practicals
- Question 8 10 marks
Interpret state symbols, determine reacting gas volumes, complete an exothermic reaction profile, and calculate an unknown bond energy from given data.
Chemistry · C2: Bonding, Structure and the Properties of Matter · C3: Quantitative Chemistry · C5: Energy Changes
- Question 9 9 marks
Explain acid strength and concentration, suggest titration improvements, and calculate required mass and unknown solution concentration.
Chemistry · Required Practicals · C3: Quantitative Chemistry · C4: Chemical Changes · Required Practicals