Online Feedback Tests Question Sets Weeks 1 to 4 Set A Weeks 1 to 4 Set B Weeks 5 to 8 Set A Weeks 5 to 8 Set B Weeks 9 to 12 Set A Weeks 9 to 12 Set B Online Feedback Tests The ChemCAL Online Feedback Tests are designed to give you useful feedback about your study in this subject. At the end of semester, new groups of questions from a mixture of course topics will released for you to test yourself.