1. A metal ore is a rock which contains enough metal to make it worthwhile extracting the metal from it
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What is bauxite?
aluminium oxide
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What can change the profitability of metal extraction?
If the market price of a metal drops a lot. - As technology improves, it becomes possible to extract more metal from a sample of rock than was originally possible.
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What does it mean if the ores have to be "concentrated?"
2. Some ores may have to be concentrated before the metal is extracted –this just involves getting rid of the unwanted rocky material.
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What can electrolysis be used for?
to purify metals. To extract them from their ores.
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Other cards in this set
Card 2
Front
What is bauxite?
Back
aluminium oxide
Card 3
Front
What can change the profitability of metal extraction?
Back
Card 4
Front
What does it mean if the ores have to be "concentrated?"
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