GKFix MCQ Question

In the reaction V₂O₅(s) + 5Ca(s) → 2V(s) + 5CaO(s), what is the role of calcium?

• A. Calcium acts as an oxidizing agent.
• B. Calcium is neither oxidized nor reduced.
• C. Calcium acts as a catalyst.
• D. Calcium acts as a reducing agent.