Which of the following reactions demonstrates the formation of water from the elements? - P BLOCK ELEMENTS Quiz | GKFix.in

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Question

Which of the following reactions demonstrates the formation of water from the elements?

A. 2H₂ + O₂ → 2H₂O
B. C + O₂ → CO₂
C. 2Mg + O₂ → 2MgO
D. 4Al + 3O₂ → 2Al₂O₃

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