The Queensland Curriculum and Assessment Authority (QCAA) syllabus is specific. You need resources tailored to this curriculum, not just general chemistry books.
That said, I can help you navigate the "solid story" of finding legitimate resources for your studies. Here is the best legal approach to accessing this material:
Downloading copyrighted material without authorization infringes on copyright law and deprives educational authors of their livelihood. Legal and High-Utility Digital Alternatives