Mark Norly L. Tundag I. OBJECTIVES At the end of the test, the students have the ability to identify the useful group within aldehydes and ketones, also on deciding their physical and chemical substance properties and to perform chemical type test to distinguish one from the other. II. MATERIAL and APPARATUS The test used a bunsen burner, vials, 100 ml beaker, test pipe holder, vial clean, clay fire shield, line gauze, acetaldehyde1, benzaldehyde2, acetone3, 2, 4-dinitrophenylhydrozine4, ammoniacal magic nitrate solution [ (Ag((NH)3)2)NO3], Fehlings a and b, 6m sulfuric acid solution [H2SO4], very dilute potassium permanganate [KMnO4], distilled drinking water [H2O] and Schiff's reagent5. III.