Metals and their uses

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  • Created by: Busayoxo
  • Created on: 21-12-15 14:24
What is the definition of an ore?
An ore contains enough metal to make it economic to extract the metal
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What must happen to ores before the metal is extracted and purified?
The ore must be mined and concentrated
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Metals that are less reactive than carbon can be extracted from their oxides by?
Reduction with carbon
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Metals that are more reactive than carbon, such as aluminium are extracted by?
Electrolysis
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Why are metals that are extracted by electrolysis expensive?
Since the use
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Other cards in this set

Card 2

Front

What must happen to ores before the metal is extracted and purified?

Back

The ore must be mined and concentrated

Card 3

Front

Metals that are less reactive than carbon can be extracted from their oxides by?

Back

Preview of the front of card 3

Card 4

Front

Metals that are more reactive than carbon, such as aluminium are extracted by?

Back

Preview of the front of card 4

Card 5

Front

Why are metals that are extracted by electrolysis expensive?

Back

Preview of the front of card 5

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