what happen when magrisim oxid expot to ari
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Magnesium oxide (MgO), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide). It has an empirical formula of MgO and consists of a lattice of Mg2+ ions and O2− ions held together by ionic bonding. Magnesium hydroxide forms in the presence of water (MgO + H2O → Mg(OH)2), but it can be reversed by heating it to separate moisture.
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Magnesium reacts with air to form oxide and nitride. On reaction with water the oxide gives hydroxide and nitride gives hydroxide and ammonia.
2Mg+O
2
→2MgO
3Mg+N
2
→Mg
3
N
2
MgO+H
2
O→Mg(OH)
2
Mg
3
N
2
+H
2
O→3Mg(OH)
2
+2NH
3
Explanation:
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