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Metallurgy — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryMetallurgy2 Marks
Question
Why aluminium cannot be extracted by reducing alumina with carbon?
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Answer

Alumina $\left( Al _2 O _3\right)$ cannot be reduced by using carbon because aluminum has more affinity for oxygen than carbon. Therefore, aluminium cannot be extracted by reducing alumina with carbon.

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