thumb|Zinc, a typical metal, reacting with [[hydrochloric acid, a typical acid]]
An acid is a type of chemical substance that can react with metals and other materials, like hydrochloric acid does with zinc. Acids matter because they're involved in many important chemical reactions and are commonly used in industrial processes and everyday products.
AI-generated from the Wikipedia summary — may contain errors.
thumb|Zinc, a typical metal, reacting with [[hydrochloric acid, a typical acid]]
An acid is a molecule or ion capable of either donating a proton (i.e. hydrogen cation, H+), known as a Brønsted–Lowry acid, or forming a covalent bond with an electron pair, known as a Lewis acid.
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