Join Study Buddy Doctor Bronson Burner and work through:targeted revision notes for all Units 3 & 4 Chemistry subject matter (including study tips, examiner tips and worked examples of exam questions)over 250 multiple choice and short response questions(including official QCAA questions) organised by Unit and Topicfully worked solutions for every question with marking advicethe official 2020 Chemistry exam papers with fully worked solutions and marking advicea complete overview of the course and assessment structure with subject-specific study tips and exam adviceadditional auto-marking multiple choice questions and other digital resources (available online via obook assess).