GKFix MCQ Question

What is the chemical equation for the formation of water during hydrogen detection?

• A. H₂ + O₂ → H₂O
• B. 2H + CuO → Cu + H₂O
• C. H₂ + CuO → Cu + H₂O
• D. 2H₂ + O₂ → 2H₂O