Reaction of Mg with steam gives:
AMgH₂ + O₂
BMgO₂ + H
CMg(OH)₂ + H₂
DMgO + H₂
Answer & Solution
Correct answer: D. MgO + H₂
Magnesium reacts with steam: Mg + H₂O → MgO + H₂. With cold water it does not react; with hot water it reacts slowly.
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