Oxide+of+aluminum
121nickel processing — Introduction preparation of the metal for use in various products. Although it is best known for its use in coinage, nickel (Ni) has become much more important for its many industrial applications, which owe their importance to a… …
122sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …
123Aluminium foil — (known as aluminum foil in North America) is aluminium prepared in thin sheets with a thickness less than 0.2 mm / 0.008 in, although much thinner gauges down to 0.006 mm are commonly used. [http://www.alufoil.org/eng/alufoil 343.html European… …
124Alcoa — Infobox Company name = Alcoa, Inc. type = Public (nyse|AA) foundation = Pittsburgh, Pennsylvania, U.S. (1888) founder = Charles Martin Hall location = flagicon|U.S. New York, New York flagicon|U.S. Pittsburgh, Pennsylvania key people = Alain J. P …
125Mining in Iran — Industry and Mining from U.S. Central Intelligence Agency map of Iran 1978. Mining in Iran is under developed. Yet the country is one of the most important mineral producers in the world, ranked among 15 major mineral rich countries,[1] holding… …
126corundum — /keuh run deuhm/, n. a common mineral, aluminum oxide, Al2O3, notable for its hardness: transparent varieties, as sapphire and ruby, are used as gems, other varieties as abrasives: often made synthetically. [1720 30; < Tamil kuruntam; akin to Skt …
127acid–base reaction — ▪ chemistry Introduction a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… …
128Sulfuric acid — Sulfuric acid …
