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mixture
(Encyclopedia) mixture, in chemistry, a physical combination of two or more pure substances (i.e., elements or compounds). A mixture is distinguished from a compound, which is formed by the chemical…Erzberg
(Encyclopedia) ErzbergErzbergĕrtsˈbĕrkh [key], peak, 3,531 ft (1,076 m) high, in Styria, central Austria. Rising above the town of Eisenerz, the Erzberg is almost literally a mountain of iron. Its…Gogebic
(Encyclopedia) GogebicGogebicgōgēˈbĭk [key], east-west mountain range, 80 mi (129 km) long and .5 to 1 mi (.8–1.6 km) wide, extending from the W Upper Peninsula, N Mich., into N Wis. It is known for…Kryvyy Rih
(Encyclopedia) Kryvyy RihKryvyy Rihkrĭvĭˈ rĭkh [key], Rus. Krivoy Rog, city (1989 pop. 713,000), SE Ukraine, at the confluence of the Inhulets and Saksagan rivers. It is a rail junction, an…ferrous sulfate
(Encyclopedia) ferrous sulfate or iron (II) sulfate, chemical compound, FeSO4. It is known as the monohydrate, FeSO4·H2O; the tetrahydrate, FeSO4·4H2O; the pentahydrate, FeSO4·5H2O; and the…Fe
(Encyclopedia) Fe, symbol for the element iron.Jamshedpur
(Encyclopedia) JamshedpurJamshedpurjŭmˌshĕdp&oobreve;rˈ [key], city (1991 pop. 461,212), Jharkand state, E central India, at the confluence of the Subarnarekha and Kharkai rivers. A great iron-…Bogardus, James
(Encyclopedia) Bogardus, JamesBogardus, Jamesbōgärˈdəs [key], 1800–1874, American architect, b. Catskill, N.Y. Among the first to use cast iron in the construction of building facades, Bogardus was…ocher
(Encyclopedia) ocherocherōˈkər [key], mixture of varying proportions of iron oxide and clay, used as a pigment. It occurs naturally as yellow ocher (yellow or yellow-brown in color), the iron oxide…Black Country
(Encyclopedia) Black Country, highly industrialized region, historically mostly in Staffordshire but partly in Worcestershire and Warwickshire, W central England. It includes Dudley, Rowley Regis (…Trending
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