\b[TODO: The identities of the <chemical substances> in A, B and C remain undetermined.] The scanned paper supplies the tube labels but no samples, compositions or observations. Each tube therefore requires its own missing experimental evidence; the labels alone do not identify any of the three <chemical substances>.

Solution

Past exam of the medicine course of the University of Oxford / 1867 / First examination / Practical chemistry / 1 / Solution

 Solution (source code)