Formative Assessments Exams
These exams enough questions to use them twice. Start by doing only odds or evens. Next, if needed, you can use the remaining questions for exam practice and preparation. The other approach is to use the remaining questions for your B level formative assessment or exam preparation. The main point is this there are enough questions to use each bank a least a couple of times and these questions can also be applied towards the B level as well.
The inorganic chemistry assessment is only for those who want or need to review basic chemistry principles. Their are multiple sets of questions in each assessment and as in unit one there is likely enough questions to use towards the B level.