Soaps form micelles when added to water and can be used to remove dirt or grease from surfaces. The dirt or grease molecules get trapped inside the micelle and can be easily washed away using water.
Which of the following statements are correct concerning the use of soap to remove dirt or grease from an object?
-The core of a micelle is formed by hydrocarbon chains.
-The polar end of a soap particle interacts with the water molecule.
-The dirt particles are generally nonpolar.
-Soaps have a polar end and a nonpolar end.