Hydrochloric acid

Hydrochloric acid is an aqueous solution of hydrogen chloride, also known as hydrochloric acid,

The concentrated hydrochloric acid used in general industry contains about 30% to 35% hydrogen chloride.

Colorless or yellowish smoky transparent liquid with pungent sour taste.

It is an important chemical raw material and widely used.

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Hydrochloric acid is a strong acid, highly corrosive, can corrode metals, and has a corrosive effect on animal, plant fibers and human skin.

Hydrochloric acid has acidity: it can make litmus and methyl orange red;

Hydrogen can be emitted by substitution reaction with metals active in hydrogen;

Can be neutralized with metal oxides (alkaline oxides), alkalis;

It can react with some salts; Encounter cyanide can produce highly toxic hydrogen cyanide gas.