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प्रश्न
Which of the following chemical reactions represents Hall- Heroult Process?
पर्याय
\[\ce{Cr2O3 + 2Al -> Al2O3 + 2Cr}\]
\[\ce{2Al2O3 + 3C -> 4Al + 3CO2}\]
\[\ce{FeO + CO -> Fe + CO2}\]
\[\ce{2[Au(CN)2]^-_{(aq)} + Zn(s) -> 2Au(s) + [Zn(CN4)^{2-}]}\]
MCQ
उत्तर
\[\ce{2Al2O3 + 3C -> 4Al + 3CO2}\]
Explanation:
Hall Heroult process is the major industrial process for the extraction of aluminium.
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