Why AI can reduce oxide of Cr but not reduce oxide of Mg and Ca at 800 – InterviewSolution

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1.	Why AI can reduce oxide of Cr but not reduce oxide of Mg and Ca at 800^(@)C?
Answer» Solution :A METAL can reduce the oxide of metal placed above in the diagram. Due to more negative FREE energy. Such that, `AI` can reduce `CR` but not `Mg` or `CA`.

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