It introduce the students into the basic laboratory techniques including safety rules, handling chemicals and glassware operating balances and Bunsen burner, write the scientific report; Identification of chemical substances: physical properties of matter as boiling point and melting point; physical separation of mixtures: distillation, extraction, recrystallization; empirical formula; chemical reaction, metathesis, solubility of salts, preparation of solutions, prepare a solution of known concentration; standardization of a base, titration, molecular weight determination; indicators, buffers and measurement of pH.