combustion
the oxidation or burning of a substance
The oxidation or burning of a substance is a chemical process that involves the loss of electrons from the atoms of the substance being oxidized. This process occurs when a substance reacts with oxygen, which acts as the oxidizing agent, resulting in the formation of a new substance and the release of heat and light.
During the process of oxidation, the substance that is being oxidized undergoes a chemical reaction in which it loses one or more electrons. This means that the substance becomes positively charged and combines with oxygen to form an oxide. For example, the oxidation of iron occurs when it reacts with oxygen in the air to form iron oxide, commonly known as rust.
This process of oxidation can be accelerated by various factors, such as increasing temperature, pressure, or concentration of the reactants. In some cases, a catalyst may be added to facilitate the reaction. For example, an enzyme may be used to catalyze the oxidation of glucose during cellular respiration in living organisms.
Overall, the oxidation or burning of a substance is a fundamental chemical process that plays an essential role in nature and in many industrial processes, including combustion engines, power plants, and metallurgy.
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