Extraction of Caffeine from Coffee and Tea Extraction of Nicotine from Cigarettes Isolation of Lycopene and Carotene from Tomato Identification of Plant Pigments (Carotenoids) by Thin Layer Chromatography Testing Leaves for Starch Thin Layer Chromatography of Flavonoids Extraction of Tannin From Tea Extraction of Essential oils Demonistrating that light is dissipated as chlorophyll fluroscence Isolation of Chloroplast