Magical use of a bar of soap

In modern life, soap, a common daily necessities, has changed its use, and it is not just a bath and shower that can be used. Today, we introduce one of its many wonderful uses ------ drive away the fog of the rearview mirror.

When it rains, the milky white pelicans are full of unknown mysteries. For car owners who drive on the road, this kind of beauty brings us only hidden dangers. The rearview mirror is covered with tiny droplets of water, obstructing our observation and constantly distracting our attention. This fog, we just need a little soap or a little detergent.

We only need to wipe the glass first to prevent the above contaminated dirt and sand from scratching the glass. Then soak the soap slightly with water to make the soap softer. Then wipe the soap on the entire surface of the glass evenly. The effect is to completely cover it. Then wait for the soap on the glass to dry. How can it be judged to dry? It becomes dry when it becomes powdery. Finally, use a paper towel or newspaper to remove the soap. Be careful, don't use towels, oh, it's easy to leave fines with a towel. After cleaning the glass, there will be a small amount of soap left on the glass. From the inside of the car, there will be some vagueness outside the car, but the contrast is all water droplets, which does not affect the overall vision.

The soap molecule structure can be divided into two parts. One end is charged COO- (polar part) and the other end is nonpolar carbon chain (lipophilic part). Soap can destroy the surface tension of water. When the soap molecules enter the water, polar hydrophilic sites will break the attraction between the water molecules and reduce the surface tension of the water, allowing the water molecules to evenly distribute on the treated glass surface and attach as water film. On the glass, the more rain that hits the glass, the greater the water film that is formed and the glass always maintains good clarity.

A small soap can easily solve the disturbing mist. In fact, there are many wonderful uses for soap. Let us explore for ourselves.