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REDOX REACTIONS AND ELECTROCHEMISTRY
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Question
In the reaction Cr₂O₃(s) + 2Al(s) → Al₂O₃(s) + 2Cr(s), what happens to chromium?
A. Chromium is oxidized.
B. Chromium remains unchanged.
C. Chromium acts as a catalyst.
D. Chromium is reduced.
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