We clean everything with water, but what is it that makes water intrinsically “clean”? Is it just because most things in the world are hydrophilic and water’s really good at carrying dirty things away?
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Water itself is not inherently clean or dirty. Rather, it is the absence of impurities that makes water “clean” for most purposes. When we use water to clean things, we are using it as a solvent to remove dirt, grime, and other substances that are not water-soluble.
In nature, water can become contaminated with a variety of impurities, such as dirt, bacteria, viruses, minerals, chemicals, and pollutants. To make water safe for human consumption, it needs to be treated and purified to remove these impurities.
Water treatment involves a combination of physical, chemical, and biological processes that remove impurities and make the water safe to drink. These processes can include filtration, sedimentation, disinfection, and chemical treatment.
Once water has been treated and purified, it can be considered “clean” for most purposes, including cleaning other objects. However, it’s important to note that even purified water can become contaminated again if it comes into contact with dirty or contaminated surfaces or materials.
So, while water itself isn’t necessarily “clean,” the absence of impurities makes it a useful tool for cleaning other objects.
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