First, label the three test tubes number one, two and three. To each test tube you need to add three ml of vegetable oil. Now, for test tubes number one and two, you need to add five ml of water. Only for test tube number three add two ml of lipase enzyme. Only for test tubes number two and three add a pinch of bile salts. Once all this is done, mix the tubes by turning the bottom. Next, place all three tubes in a water bath for just thirty minutes. Once everything is complete, you can record and analyze the file