
Acid | Definition, Examples, Types, Uses, & Facts | Britannica
Dec 12, 2025 · 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 …
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 …
ACID Definition & Meaning - Merriam-Webster
Savannah police and the FBI are continuing to follow any possible leads to find whoever is responsible for the acid attack in a local park that left a woman with severe burns.
ACID Definition & Meaning | Dictionary.com
An acid is the opposite of a base and has a pH of 0 to 7. A given amount of an acid added to the same amount of a base neutralizes the base, producing water and a salt.
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.
What Is an Acid in Chemistry? | The Chemistry Blog
Sep 24, 2025 · What Is an Acid in Chemistry? Acids are one of the most important groups of chemicals, found everywhere from household products to industrial processes. They are substances that can …
What Is an Acid in Chemistry? Definition and Examples
Feb 14, 2023 · Learn what an acid is in chemistry. Get the acid definition and examples and learn about the properties of these compounds.
What Is an Acid? Definition, Examples, and pH Scale
Jul 30, 2025 · 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 …
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 …
Acid - Wikiwand
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 ...