Chemistry
Which of the following compounds is formed along with hydrogen gas when magnesium reacts with steam ?
- Mg(OH)2
- MgO
- MgH2
- MgCl2
Hydrogen
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Answer
MgO
Reason — When magnesium reacts with steam (water vapour), it forms magnesium oxide (MgO) along with hydrogen gas (H2).
Mg(s) + H2O(g) → MgO(s) + H2(g)
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