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  • Acid | Definition, Examples, Types, Uses, Facts | Britannica
    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)
  • ACID Definition Meaning | Dictionary. com
    ACID definition: a compound usually having a sour taste and capable of neutralizing alkalis and reddening blue litmus paper, containing hydrogen that can be replaced by a metal or an electropositive group to form a salt, or containing an atom that can accept a pair of electrons from a base Acids are proton donors that yield hydronium ions in water solution, or electron-pair acceptors that
  • ACID Definition Meaning - Merriam-Webster
    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
  • Acid - Simple English Wikipedia, the free encyclopedia
    The definition of an acid has changed as people discovered more about chemistry Acids were originally grouped together by their properties: they taste sour, change the color of litmus paper to red, and make salts when reacted with certain other chemicals
  • ACID | definition in the Cambridge English Dictionary
    Basic rocks with no quartz tend to be dark-colored, while acid rocks are much lighter The solid matter ejected by a volcano covers all rock compositions from basic to acid
  • ACID definition and meaning | Collins English Dictionary
    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
  • What Is an Acid? Definition, Examples, and pH Scale
    Acids are defined by their behavior in solution One common definition, known as the Brønsted-Lowry theory, describes an acid as a substance capable of donating a proton, a hydrogen ion (H+) When dissolved in water, an acid releases these hydrogen ions, increasing their concentration
  • Acid - definition of acid by The Free Dictionary
    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




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