Iron extraction
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7 Terms
1
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How is the high temperature used to extract iron produced?
Blast furnace
2
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What is used to produce Carbon dioxide and heat up the blast furnace?
Coke (Carbon) - 2C + O₂ —> CO₂
3
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Why is more coke added into the blast furnace?
To reduce the Carbon Dioxide into Carbon Monoxide
4
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What happens after Carbon Monoxide is made?
The iron ore is reduced - 2Fe₂O3 + 3C —> 4Fe + 3CO₂
5
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Why is limestone added to the blast furnace?
To remove impurities and produces slag
6
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What does hot air provide in the extraction?
Oxygen for combustion
7
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Is iron more or less dense than slag?
More dense - therefore slag comes out on top
Note 
Flashcards (128)