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P-1 Metallurgy — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceP-1 Metallurgy1 Mark
Question
What acts as cathode in electrolytic reduction of $Al_2O_3?$
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Answer

Carbon (graphite) lining inside the iron tank acts as a cathode in electrolytic reduction of $Al_2O_3.$

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