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[Chemical Knowledge]：Why is hydrochloric acid called hydrochloric acid? An interesting story of chemical history

Read： 1006 Time：21months ago Source：Transform the World with Simplicity

In the history of chemistry, hydrochloric acid is an important chemical substance, and its discovery and research is also a very interesting story.

First, let's take a look at the basic components of hydrochloric acid. The component of hydrochloric acid is hydrochloric acid generated by the reaction of hydrogen and chlorine, that is, HCl. Although this reaction is not commonly seen, we can test chlorine with mercurous bromide reagent. In the experiment, we can see that the color of the mercurous bromide reagent will change from red to colorless, which means that chlorine and mercurous bromide react to form HCl.

in the early chemical laboratory, due to the lack of perfect experimental equipment, it is difficult to know the existence of hydrochloric acid. It was not until the ancient Romans cleverly used hydrochloric acid to clean stone buildings that some people began to notice the substance "hydrochloric acid. Why does

have the word "salt"? This is because when people clean stone buildings, they add salt to hydrochloric acid to increase the cleaning effect. This results in a mixture of HCl and common salt, which is called hydrochloric acid.

in the history of hydrochloric acid, there is a very interesting story. In the 18th century, a chemist named Proust discovered that HCl could react with silver to form silver chloride (AgCl). This experiment was surprising because it had previously been thought that what alchemists called "indecomposable metals" could not undergo chemical reactions. This opens up the development direction of the chemical field of "decomposable metals.

now, hydrochloric acid has become a common chemical, a wide range of applications. It is used to prepare drugs, cleaning materials, etc., and is also used in a series of operations such as processing and purification in production.

In short, hydrochloric acid is an important chemical, and there is a historical and cultural connection behind its name. As people of the new era, we can use this scientific knowledge and apply it to a wider range of fields and fields.

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