Question Constellation Sign up for free AQA · GCSE · Chemistry
Chemical changes
06.1 · 1 mark Native metals in Earth Name one metal that is found in the Earth as the metal itself. 06.2 · 1 mark Extracting metal Z economically Suggest the most economical method for extracting metal Z from an oxide of metal Z. 06.3 · 1 mark Substance X in electrolysis Name substance X shown in Figure 10. 06.4 · 3 marks Carbon electrodes during electrolysis Explain what happens to the positive carbon electrodes during the extraction of aluminium from aluminium oxide. 06.5 · 2 marks Aluminium reduction half equation Write a half equation for the reaction at the negative electrode in Figure 10.
AQA · GCSE · Chemistry
Atomic structure and the periodic table
AQA · GCSE · Chemistry
Bonding, structure, and the properties of matter
08.1 · 1 mark Carbon atoms in nanotubes Describe the arrangement of carbon atoms in the nanotube shown in Figure 11. 08.2 · 1 mark Other uses of nanotubes Give one other use of nanotubes. 08.4 · 3 marks Nanotube electrical conductivity Explain why carbon nanotubes can conduct electricity. Refer to bonding between carbon atoms in your answer.
AQA · GCSE · Chemistry
Quantitative chemistry
AQA · GCSE · Chemistry
Organic chemistry
01.1 · 1 mark Meaning of the term hydrocarbon Define the term ‘hydrocarbon’. 01.2 · 1 mark Using the alkane general formula Determine the formula of the alkane with 10 carbon atoms. 01.3 · 4 marks Fractional distillation of crude oil Explain how crude oil is separated into fractions. Use Figure 1. 01.4 · 1 mark Balancing a cracking reaction Balance the equation for the reaction. 01.5 · 2 marks Testing for an alkene Describe the test for alkenes. Give the result. 01.6 · 1 mark Classifying poly(propene) by substance type What type of substance is poly(propene)?
AQA · GCSE · Chemistry
The rate and extent of chemical change
02.2 · 3 marks Temperature effects in collision theory Explain the effect of increasing the temperature on the rate of a reaction. Refer to particles and collisions in your answer. 05.4 · 1 mark Temperature and equilibrium position The temperature is increased. What is the effect on the position of the equilibrium? Tick one box. 02.1 · 6 marks Designing a valid rate experiment Describe a method the student could use to produce valid results. 02.3 · 2 marks Meaning of the term catalyst What is meant by a ‘catalyst’?
AQA · GCSE · Chemistry
Formation of crude oil
AQA · GCSE · Chemistry
Chemical analysis
AQA · GCSE · Chemistry