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प्रश्न
Which of the following reduction is not thermodynamically feasible?
विकल्प
\[\ce{Cr2O3 + 2Al -> Al2O3 + 2Cr}\]
\[\ce{Al2O3 + 2Cr -> Cr2O3 + 2Al}\]
\[\ce{3TiO2 + 4Al -> 2Al2O3 + 3Ti}\]
None of these
MCQ
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उत्तर
\[\ce{Al2O3 + 2Cr -> Cr2O3 + 2Al}\]
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