Which metal can replace Cr in the formula of Cr₂O₃?

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Which metal can replace Cr in the formula of Cr₂O₃? Answer: Aluminum

Aluminum can replace chromium in Cr₂O₃ because it is more reactive, demonstrating a metal displacement reaction.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.