Purifying copper - PowerPoint PPT Presentation

METALS

METALS. Introducing metal extraction. Obtaining metals from ores. Most metals do not occur naturally (native). They have to be extracted from metal-containing rocks (ores). First, substances other than the metal compound are removed (concentration).

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379 views • 36 slides

Electrolysis L.O. I can explain why different substances appear at the anode and cathode.

31/10/2014. Electrolysis L.O. I can explain why different substances appear at the anode and cathode. I know the link between current and charge and can manipulate the equation. 8:37 PM. oxygen removed reduction. lead oxide. carbon monoxide. +. . +. carbon. lead. oxygen added

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499 views • 21 slides

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