The requirement to perform qualitative chemical testing is present in many applied science courses. This is a rather crude (but generally well recieved by students) approach to this area. It is very simple - the student are asked to perform all the usual tests (flame, nitrate, pH, reducing sugar etc), then see if the same result is found with 'A dodgy pint'. The pint in question is cold tea, doped with whatever you wish - mine has NaCl, nitrate, aldehyde, acid - what ever you wish. One suggestion - don't include the taste test.......
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Great idea to put these things into context and give pupils an example they can relate to. Brings lots of techniques together. Thank you!!
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