1.add 2ml of hexane and 4 ml of water to a largr size test tube shake gently for 10 seconds allowthe liquid layers to separate and note which liquid has the greatest density in the report
2.add 1 ml of iodine solution into the test tube note the color of each layer and shake gently for 20 seconds allow the liquids to separate and note the color of each layer
3.dispose of all solutions in the sink