Carbonated water
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Carbonated water is water containing dissolved carbon dioxide gas, either artificially injected under pressure or occurring due to natural geological processes. Carbonation causes small bubbles to form, giving the water an effervescent quality. Common forms include sparkling natural mineral water, club soda, and commercially produced sparkling water.
Equipment used by Priestley in his experiments on gases and the carbonation of water
Belfast Evening Post, Belfast, Ireland, August 7, 1786
A soda siphon c. 1922
Joseph Priestley
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Joseph Priestley was an English chemist, natural philosopher, separatist theologian, grammarian, multi-subject educator, and liberal political theorist. He published over 150 works, and conducted experiments in several areas of science.
Priestley's birthplace (since demolished) in Fieldhead, Birstall, West Yorkshire – about six miles (10 km) southwest of Leeds
Mary Priestley, by Carl F. von Breda (1793); daughter of ironmaster Isaac Wilkinson, sister of industrialist John Wilkinson
A redacted version of A New Chart of History (1765); Priestley believed this chart would "impress" upon students "a just image of the rise, progress, extent, duration, and contemporary state of all the considerable empires that have ever existed in the world"