GKFix MCQ Question

Which of the following reactions shows the formation of an acidic oxide from its elements?

• A. 2Ca + O₂ → 2CaO
• B. 4Al + 3O₂ → 2Al₂O₃
• C. 2Zn + O₂ → 2ZnO
• D. P + 5O₂ → P₄O₁₀