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1. | Above 1350°C, Mg can reduce Al2O3 and below1350°C, Al can reduce MgO |
2. | Mg can reduce Al2O3 and Al can reduce MgO above 1350°C |
3. | Mg can reduce Al2O3 and Al can reduce MgO below 1350°C |
4. | Below 1350°C, Mg can reduce Al2O3 and above 1350°C, Al can reduce MgO |
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