Your hydrocarbons i.e alkanes, alkenes, alkynes, alkanols, haloalkanes.
How the heat of Combustion of Ethanol works
Your chosen cells that your teacher probably gave you as an assignment
Radioactivity
You need to know pretty well all of the stuff that you learnt in Year 11. The preliminary course provides the building blocks for the HSC course, particularly in Chemistry.
Your hydrocarbons i.e alkanes, alkenes, alkynes, alkanols, haloalkanes.
How the heat of Combustion of Ethanol works
Your chosen cells that your teacher probably gave you as an assignment
Radioactivity