extraction of metals

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What is aluminium ore called?
bauxite
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What is iron ore called?
haematite
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What is titanium ore called?
rutile
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what is coke?
pure carbon
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why is the temperature so high in a blast furnace?
so the coke can oxidise
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what is limestone used for in the blast furnace?
to remove acidic impurities
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why is titanium not extracted with carbon?
titanium would form strong bonds with the carbon to form titanium carbide
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why is an argon environment required in the extraction of titanium?
titanium chloride would react with the air
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what type of reaction is aluminium extracted?
reduction
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why can't the blast furnace technique be used with aluminium?
aluminium is more reactive than carbon
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why does the anode have to be replaced regularly?
it breaks down because co2 is formed at the anode
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what is the chemical added to aluminium ore to make it become molten easier?
cryolite
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Card 2

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What is iron ore called?

Back

haematite

Card 3

Front

What is titanium ore called?

Back

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Card 4

Front

what is coke?

Back

Preview of the front of card 4

Card 5

Front

why is the temperature so high in a blast furnace?

Back

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