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- Dictionaryacid/ˈasɪd/
noun
- 1. a substance with particular chemical properties including turning litmus red, neutralizing alkalis, and dissolving some metals; typically, a corrosive or sour-tasting liquid of this kind. "trees were exposed to mixtures of heavy metals, acids, and overdoses of nutrients"
- 2. a molecule or other species which can donate a proton or accept an electron pair in reactions.
adjective
- 1. containing acid or having the properties of an acid; having a pH of less than 7. "acid soils"
- 2. sharp-tasting or sour: "acid fruit" Similar Opposite
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Nov 13, 2024 · 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).
An acid is any hydrogen-containing substance that is capable of donating a proton (hydrogen ion) to another substance. A base is a molecule or ion able to accept a hydrogen ion from an acid. Acidic substances are usually identified by their sour taste.
Feb 14, 2023 · An acid is a hydrogen ion or proton donor or an electron pair acceptor. Not all compounds containing hydrogen are acids. Acids have a pH less than 7, turn litmus paper red, taste sour, and react with bases. Examples of acids include hydrochloric acid (HCl), sulfuric acid (H 2 SO 4), and acetic acid (CH 3 COOH).
The meaning of ACID is a sour substance; specifically : any of various typically water-soluble and sour compounds that in solution are capable of reacting with a base to form a salt, redden litmus, and have a pH less than 7, that are hydrogen-containing molecules or ions able to give up a proton to a base, or that are substances able to accept ...
The earliest definition of acids and bases is Arrhenius's definition which states that: An acid is a substance that forms hydrogen ions H + when dissolved in water, and A base is a substance that forms hydroxide ions OH - when dissolved in water.
Jan 13, 2020 · An acid is a chemical species that donates protons or hydrogen ions and/or accepts electrons. Most acids contain a hydrogen atom bonded that can release (dissociate) to yield a cation and an anion in water. The higher the concentration of hydrogen ions produced by an acid, the higher its acidity and the lower the pH of the solution.
ACID definition: 1. any of various usually liquid substances that can react with and sometimes dissolve other…. Learn more.
Jul 10, 2024 · Acids are a group of substances with a unique set of properties that make them essential to many chemical reactions and processes. At their core, acids are compounds that release hydrogen ions (H⁺) when dissolved in water. This release of hydrogen ions gives acids their characteristic sour taste, as seen in lemon juice and vinegar.
An acid is a chemical substance, usually a liquid, which contains hydrogen and can react with other substances to form salts. Some acids burn or dissolve other substances that they come into contact with. ...citric acid. Acids in the stomach destroy the virus. 2. adjective B2. An acid substance contains acid.
Aug 17, 2024 · The theory developed by Svante Arrhenius in 1883, the Arrhenius definition, states that an acid produces hydrogen ions, H +, in solution and a base produces hydroxide ions, OH −. Later, two more sophisticated and general theories were proposed. These theories are the Brønsted-Lowry and Lewis definitions of acids and bases.
