THE SCIENCE OF SOAPS AND DETERGENTS
1. Place 4 drops of an oil (either mineral oil, cooking oil, or household lubricating oil) into each of three separate test tubes. 2. Add 5 mL of water to one tube, 5 mL of soap solution to another, and 5 mL of detergent solution to the third. Stopper and shake each tube vigorously for 30 seconds to one minute. 3.