CAIE IGCSE Chemistry 0620/62 Oct/Nov 2023 – Alternative to Practical model answers: apparatus ID/uses, dissolving–filtering–drying steps, neutralisation temperature experiment (equivalence volumes, pH), and insulation/pipette accuracy notes.  Includes qualitative tests & observations (Zn vs Al with excess NH₃, halide test, pale green flame, ammonia on red litmus) and a residue-weighing solubility method—ideal for fast self-marking revision.