Chemistry page 30

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What is a metal ore?
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

Preview of the front of card 3

Card 4

Front

What does it mean if the ores have to be "concentrated?"

Back

Preview of the front of card 4

Card 5

Front

What can electrolysis be used for?

Back

Preview of the front of card 5

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