Carbonated water, also known as seltzer, sparkling water, fizzy water, or soda water, is plain water into which carbon dioxide gas under pressure has been dissolved, and thus made effervescent. It is the major and defining component of carbonated soft drinks (itself a class of aerated beverages). The process of dissolving carbon dioxide in water is called carbonation.
While dissolved carbon dioxide in low concentrations (0.2%–1.0%) cannot be tasted by humans, a small amount of it[1] reacts with water to form carbonic acid (H2CO3). The presence of carbonic acid in water gives the water a slightly sour taste, with a pH between 3 and 4
While dissolved carbon dioxide in low concentrations (0.2%–1.0%) cannot be tasted by humans, a small amount of it[1] reacts with water to form carbonic acid (H2CO3). The presence of carbonic acid in water gives the water a slightly sour taste, with a pH between 3 and 4
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