Year 12 · WACE / Chemistry
Assessment and exam practice.
Plan a practice session around the assessment you are preparing for.
Try this with Chemistry
- Check the task format, time limit and permitted materials with your school.
- Start with one timed section or task and record where you spent the most time.
- Review errors before attempting another section. Separate missing knowledge from timing problems.
Practice paper focus areas
- Exam 1 — Le Châtelier's Principle applied to an industrial equilibrium; pH of strong acids and bases via Kw; half-equations in acidic conditions
- Exam 2 — equilibrium law expressions for heterogeneous systems; buffer solutions and Le Châtelier; galvanic cell diagrams and E° calculations
- Exam 3 — collision theory and rate factors; salt hydrolysis and indicator choice; corrosion of iron and sacrificial anodes
- Exam 4 — energy profile diagrams and temperature changes; titration calculations; electrolytic refining of copper
- Exam 5 — ocean acidification and carbonate equilibria; acid strength and degree of ionisation (Ka); standard electrode potentials and reaction tendency
- Exam 6 — rate and concentration graphs for a disturbed equilibrium; conjugate acid-base pairs; fuel cells and secondary cells
- Exam 7 — open and closed systems; polyprotic acids; oxidation numbers
- Exam 8 — catalysts and equilibrium position; Kw and [OH-] calculations; silver electroplating
- Exam 9 — qualitative prediction from Kc; equivalence point versus end point; displacement reactions
- Exam 10 — partial pressure and total volume changes; Arrhenius versus Brønsted-Lowry models; lead-acid accumulator
- Exam 11 — dynamic equilibrium characteristics; buffering capacity; combustion in limited and excess oxygen
- Exam 12 — activation energy and reversibility; titration procedure and error analysis; cell diagrams and ion migration
- Exam 13 — Le Châtelier: concentration changes; pH of strong bases; cathodic protection
- Exam 14 — equilibrium law expressions (homogeneous); acidic, basic and neutral salts; electrolytic versus galvanic cells
- Exam 15 — temperature and enthalpy in equilibria; indicators as weak acids; hydrogen fuel cell
- Exam 16 — surface area and catalysts in rate; Kw and self-ionisation; electron flow and salt bridge
- Exam 17 — ocean acidification and calcification; monoprotic and polyprotic acid titrations; electrode potentials and oxidising strength
- Exam 18 — reversibility and closed systems; pH scale as logarithmic; Leclanché cell
- Exam 19 — rate–time graphs after a disturbance; conjugate pairs in buffers; electrorefining and electroplating half-equations
- Exam 20 — Kc and equilibrium position; titration of a weak acid with a strong base; sacrificial anodes and exclusion of oxygen
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