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[Chemical Knowledge]：Easy to learn chemistry: in the world of acid, formic acid is unique

Read： 925 Time：18months ago Source：Transform the World with Simplicity

On the way to chemistry study, the world of acid is always full of curiosity. There are many kinds of acids, among which formic acid is a very special existence. This article will take you deeper into formic acid and teach you how to distinguish it from other acids.

we look at the characteristics of formic acid. Formic acid molecular formula HCOOH, is a colorless liquid, weak acid. It is often used in family life as an antipruritic for mosquito bites and can relieve stinging sensation. In addition, formic acid is also widely used in industry, such as as dyes and disinfectants. The characteristics of formic acid make it unique in the acid family.

Next, let's discuss how to distinguish formic acid from other acids. The first is the acid-base neutralization reaction. Most acid and base reactions produce chemical reactions and produce neutralizing salts and water. The reaction between formic acid and alkali produces formate and water. This is a unique feature of formic acid. When we carry out acid-base experiments, we can distinguish whether it is formic acid by observing the products produced after the reaction.

followed by color to distinguish the type of acid. We can use the properties of acids to react with certain substances to produce specific color changes. For example, formic acid can react with a phenolphthalein reagent to produce a red color. When other acids react with phenolphthalein reagent, they produce different color changes. By observing the color change, we can determine whether it is formic acid.

In addition, formic acid has a unique property, namely, its effect on the silver mirror reaction. The silver mirror reaction is an experimental method commonly used to test aldehyde compounds. When formic acid reacts with silver oxide, the phenomenon of silver mirror reaction can be observed. Other acids cannot produce such a reaction. By performing a silver mirror reaction experiment, we can distinguish formic acid from other acids.

In general, formic acid is a unique acid that is unique in the world of acids. By learning the characteristics of formic acid and how to distinguish acids, we can distinguish formic acid from other acids more easily. Scientific knowledge can help us better understand the world and better apply chemical knowledge. Let us explore the mystery of acid, enjoy the fun of chemistry!

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