HS2440 Week 3 Asyn_Extraction of copper Flashcards
1
Q
Differences between native metals and ores (images)
A
2
Q
what is required to smelt metal ores into pure metals
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To separate metals from ores we need to supply energy, and supply electrons, because in their combined state, metals exist as ions
3
Q
Technology: thoughts going into furnace design
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4
Q
The uses of “the bronze age” “iron age” ect, reflects the level of technology used
A
5
Q
Examples of copper ores
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6
Q
Properties of copper
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7
Q
Copper occurence
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8
Q
Examples: Native copper
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- evidence could be difficult, as probably reused over years
9
Q
Extraction of copper: operational sequence (4)
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10
Q
Process of roasting and smelting copper ore
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CO* coal provides carbon monoxide
11
Q
Diagram of smelting uses a small shaft furnace
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12
Q
Examples of copper ingots
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