Researchers found that this measure depended on whether or not the surfactant readily dissolved. Bandi, a professor of physics at the Okinawa Institute of Science and Technology Graduate University (OIST), wets the tip of a chopstick with liquid soap, amusement written on his face, and asks his dinner guests their predictions: what will the flakes do when the soap meets the water's surface? Then, rinsing with clean water washes it all away. Does tea stay hotter with the milk in it? The fats are attracted to the non-polar tail part of the soap while the polar head makes the whole complex (soap + fat molecules) dissolve in water. They float because water molecules hold on to one another in a way that creates surface tension. ![]() Baking soda naturally absorbs moisture content from its surroundings.
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