一、从矿物中获取的材料
铝土矿Al2O3Al―→铝合金
铁矿石Fe钢
铜矿石―→高温煅炼、生物炼铜―→Cu(粗)精铜
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二、几种重要物质之间的转化关系
1.铝及其重要化合物
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2.铁及其重要化合物
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3.铜及其化合物
4.硅及其化合物