Household bleach is mainly composed of sodium hypochlorite dissolved in water. Essentially, it is a diluted solution that contains active chlorine, the primary agent responsible...
Newsprint is primarily made of mechanical wood fibers, obtained by grinding wood directly. These fibers are short, coarser, and create a very porous paper, ideal...
The alcohol used as a disinfectant is usually ethanol or isopropyl alcohol. These are simple molecules made up primarily of carbon, hydrogen, and oxygen. What...
Soap is made of special molecules called surfactants. They have two completely opposite parts: one end that loves water (hydrophilic) and another that greatly prefers...
Water is quite simple: two hydrogen atoms bonded to one oxygen atom (H₂O). But be careful, these atoms do not share their electrons equally! Oxygen...
Diamonds are made up solely of carbon atoms bonded together in a very particular way. Each atom is surrounded by four other atoms in a...
When we observe the color of a flame, we are actually looking at a chemical phenomenon related to combustion and how atoms react to heat. Atoms contain...
Paper is essentially made of plant fibers primarily derived from cellulose, a natural substance found in wood. This cellulose consists of long chains of sugar...
Chocolate is a rather unique solid, primarily composed of cocoa butter, which gives it that creamy texture. At ordinary room temperature, chocolate is usually hard...
From the age of the first railway lines in the 19th century, English engineers were already using colored lights as signals. The red, a color...
