Qualitative analysis is mainly about identification of substances No emphasis is laid on amount or quantity In qualitative analysis exercises candidates should use approximately 1cm depth of a solution 12cm3 for each test and add reagents slowly ensuring good mixing until no further change is seen Candidates should indicate at what stage a change occurs writing any deductions alongside the observations on which they are based Answers should include details of colour changes and precipitates formed and the names and chemical tests for any gases evolved