Joseph Black, a Scottish chemist and physician, first identified carbon dioxide in the 1750s. At room temperatures (20-25 oC), carbon dioxide is an odourless, colourless gas, which is faintly acidic and non-flammable. read more
Scottish physician and chemist Joseph Black discovered carbon dioxide on June 11, 1754. He noticed that heating calcium carbonate produced a gas much heavier than air. He also noted that it could put out fire. read more
Joseph Black, a Scottish chemist and physician, first identified carbon dioxide in the 1750s. At room temperatures (20-25 o C), carbon dioxide is an odourless, colourless gas, which is faintly acidic and non-flammable. read more
In 1770, Carl Wilhelm Scheele showed that graphite also burned to form carbon dioxide and thereby discovered another form of carbon. Yet another form of carbon, fullerene, was discovered in 1985 by Robert Curl, Harry Kroto and Richard Smalley. read more