Solutions and their concentration. Aqueous solution and solubility equilibria. Precipitation. Oxidoreductive reactions. Main analytical tecniques. Flame test. Borax bead test. Test tube assays (sublimates, halides, carbonates, water elimination). Systematic analysis of cations: I (Ag), II (Hg, Sn, Bi, Cu), III (Al, Mn, Fe), IV (Zn, Mn) and V (Mg, Ca, Ba) analytical group. Analysis and identification of anions: carbonates, halides, sulfur containing anions, nitrogen containing anions, phosphates, borates. Identification of inorganic compounds of pharmaceutical interest.