The below mentioned article includes a list of five easy experiments on water. 1. Experiment to determine pH of the water and to identify the water quality by pH: Requirements: Water sample, broad range and narrow range pH paper strips, pH paper strip booklet, BDH Universal Indicator, test tube. Method: As already explained in Exercise No. 28, pH of water [...]
Object: To separate leaf pigments by column chromatography. or To separate the chloroplast pigments by solvent method. Requirements: Pigments extract, magnesium oxide, filter glass disc, glass wool, flask, suction pump, chromatographic tube, petroleum ether, benzene. Method: 1. Take a chromatographic tube having a filter glass disc and glass wool at its base. 2. Fill the chromatographic tube with magnesium oxide. [...]
Object: To demonstrate the phenomenon of dialysis with the help of a collodion bag. Requirements: Collodion bag, starch, salt, thread, beakers, water, iodine, silver nitrate, collodion (cellulose nitrate dissolved in ether and alcohol). Method: (a) Preparation of collodion bag: 1. Pour a small amount of collodion in a wide mouthed, clean and dry tube. 2. Revolve the tube so that [...]