VCE Chemistry SAC Practice Units 3 & 4
Practice questions covering energy, equilibrium, organic chemistry, and food chemistry from the VCAA study design.
VCE Chemistry Units 3 and 4 span energy production, chemical equilibrium, organic compounds, and the chemistry of food. SACs in Chemistry often require you to perform calculations, interpret data from practical investigations, and explain reaction mechanisms. Revizi’s questions are crafted to target the key knowledge and skills assessed in each Area of Study, giving you focused practice where it matters most.
SAC: School-Assessed Coursework (SACs) are formal assessments set by your school based on VCAA-prescribed tasks for Units 3 and 4. SACs contribute to your VCE study score alongside the end-of-year exam. For Chemistry, SACs typically include calculations, analysis of experimental data, and responses explaining chemical concepts. Each SAC assesses specific key knowledge and key skills from the VCAA study design.
Topics Covered
Unit 3 AoS 1: What are the options for energy production?
- Thermochemistry and enthalpy changes
- Galvanic and fuel cells
- Energy density of fuels
- Comparison of energy sources
Unit 3 AoS 2: How can the yield of a chemical product be optimised?
- Rate of reaction and collision theory
- Chemical equilibrium and Le Chatelier’s principle
- Equilibrium constants and calculations
- Industrial chemistry applications
Unit 4 AoS 1: How can the diversity of carbon compounds be explained?
- Naming and structural formulas of organic compounds
- Functional groups and reaction pathways
- Addition, substitution and condensation reactions
- Polymers and polymerisation
Unit 4 AoS 2: What is the chemistry of food?
- Structure of carbohydrates, lipids and proteins
- Metabolism and energy from food
- Calorimetry and energy content
- Vitamins and minerals
Question Types
Multiple-Choice Questions
Practice MCQs mapped to VCAA key knowledge. Instant feedback shows why each option is correct or incorrect.
Short Answer Questions
Build exam technique with 2–4 mark questions. Practise concise, precise responses aligned to VCAA marking criteria.
Extended Response
Practice 6–10 mark responses requiring structured arguments with evidence from the study design.
Data Analysis
Interpret graphs, tables and experimental data — a common SAC format across VCE subjects.
How Revizi Helps
VCAA Study Design Alignment
Every question maps to specific key knowledge and key skills from Units 3 & 4.
Spaced Repetition Review
After practice, weak topics are scheduled for review using the SM-2 algorithm.
Progress Tracking
Track your performance across topics and question types to identify patterns.
Related Practice Pages
Frequently Asked Questions
How many SACs are in VCE Chemistry?
Schools typically set 4–6 SACs across Units 3 and 4, with at least one per Area of Study. The exact number and weighting is determined by your school.
What format are Chemistry SACs?
Chemistry SACs often involve stoichiometric calculations, analysis of experimental data from titrations or calorimetry, and written explanations of chemical processes and equilibrium concepts.
Are these actual past SAC questions?
No. Revizi generates original practice questions aligned to VCAA key knowledge and key skills. They are designed to match SAC complexity without reproducing school-specific tasks.
Last updated: March 2026