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Extracting Valuable Metals: Gold, Copper, and Iron Methods

This guide explores methods for extracting gold, copper, and iron from their respective ores. For gold, panning utilizes its high density to separate it from surrounding materials, often enhanced by dredging techniques. Copper is extracted through electrolysis, where ore is ground and dissolved in a solution, allowing the useful metal to migrate to an electrode. Finally, iron is purified in a blast furnace, where iron ore reacts with carbon (coke) at high temperatures, leaving behind refined iron. Learn the science behind these essential processes!

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Extracting Valuable Metals: Gold, Copper, and Iron Methods

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Presentation Transcript

  1. 14-4 Elements from the earth Separating Metals

  2. Gold: panning • Characteristic Property • Use golds high density to separate it from its surrounding materials • Large scale panning with the use of dredges

  3. Copper: Electrolysis • Exists as a compound • ORE – rock with a useful metal • Chemical Activity • Grind ore & dissolve in a solution • Insert electrode with current • Useful metal will move to one probe

  4. Iron: Blast Furnace • Exists as an ore • Chemical Activity • Iron ore & source • of carbon (coke) • React at high temperatures • in furnace • Leave the purified iron behind

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