AQA GCSE Chemistry Chemistry Paper 2 (Higher), November 2021
Every question from AQA GCSE Chemistry Chemistry Paper 2 (Higher), November 2021 (8462): 10 questions, 100 marks, each with its mark scheme and topic.
- Question 1 12 marks
Describe trends in electricity generation from oil and solar energy from a bar chart, explain the environmental effects of combustion products of oil, and evaluate the use of solar energy.
Chemistry · C9: Chemistry of the Atmosphere · C10: Using Resources
- Question 2 8 marks
Plot and analyze alkane boiling points, deduce the formula of nonane, and explain its fractional distillation behavior.
Chemistry · C7: Organic Chemistry · C2: Bonding, Structure and the Properties of Matter
- Question 3 8 marks
Plan an investigation to determine the Rf value of a food colouring dye using paper chromatography, and identify how varying conditions and phases affect chromatography.
Chemistry · Required Practicals · C8: Chemical Analysis · Required Practicals
- Question 4 9 marks
Answer questions on the polymerisation of ethene, properties of thermosoftening polymers, structures of HDPE and LDPE, and condensation polymerisation to form polyesters.
Chemistry · C7: Organic Chemistry · C10: Using Resources
- Question 5 8 marks
Identify compounds containing NPK elements, name the soluble salts formed from calcium phosphate and acids, and evaluate industrial versus laboratory methods for producing ammonium sulfate.
Chemistry · C10: Using Resources
- Question 6 8 marks
Describe the test for an alkene double bond, determine the general formula of cycloalkenes, complete the displayed formula of the addition product with chlorine, and calculate the percentage by mass of chlorine in C6H10Cl2.
Chemistry · C3: Quantitative Chemistry · C7: Organic Chemistry
- Question 7 9 marks
Identify the ions present in potash alum using qualitative tests, including flame tests, sodium hydroxide reactions, sulfate ion precipitation, and flame emission spectroscopy.
Chemistry · Required Practicals · C8: Chemical Analysis · Required Practicals
- Question 8 11 marks
Explain the health and physical properties of different solders, evaluate the sustainability of recycling copper, and describe the process and limitations of phytomining.
Chemistry · C10: Using Resources
- Question 9 10 marks
Investigate the effect of sulfuric acid concentration on the rate of reaction with zinc, interpret reaction graphs, calculate rate using a tangent, and identify a catalyst.
Chemistry · Required Practicals · C6: The Rate and Extent of Chemical Change · Required Practicals · C1: Atomic Structure and the Periodic Table
- Question 10 17 marks
Questions on alkenes and alcohols including cracking, choosing compromise conditions for the industrial hydration of ethene, fermentation, mole calculations for fuel energy, and writing a balanced combustion equation.
Chemistry · C3: Quantitative Chemistry · C6: The Rate and Extent of Chemical Change · C7: Organic Chemistry