What is an acid, as defined in chemistry? An acid is any substance that in water solution tastes sour, changes blue litmus paper to red, reacts with some metals to liberate hydrogen, reacts with bases to form salts, and promotes chemical reactions (acid catalysis).
Here's a list of ten common acids with their chemical structures. Learn about each type of acid and its composition.
What is Acid in Chemistry? The name "acid" comes from the Latin word acidus which means sour in taste. Acids are sour substances that often react with bases to form salt and water.
1. Chemistry a. Of, relating to, or containing an acid. b. Having a high concentration of acid. c. Having the characteristics of an acid. 2. a. Having a pH of less than 7. b. Having a relatively high concentration of hydrogen ions.