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Card 6

Front

which alloy is iron mostly converted into?

Back

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Card 7

Front

what does steel contain?

Back

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Card 8

Front

which two metals resist corrosion and low densities compared to other metals?

Back

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Card 9

Front

which two metals cannot be extracted from their oxides using carbon?

Back

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Card 10

Front

which two metals are very expensive because extracting them involves many stages and requires large amounts of energy?

Back

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Card 11

Front

how is most copper extracted from copper rich ores?

Back

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Card 12

Front

how can copper be purified?

Back

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Card 13

Front

what are two new ways to extract copper from its low grade ores?

Back

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Card 14

Front

which metal can be obtained from solutions of their salts by displacement or electrolysis?

Back

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Card 15

Front

which metals are found in the centre block of the periodic table?

Back

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