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2Mg+O2--->2MgO
2Mg+2H20---->2Mg(OH)+H2
H2+Cu(OH)2--->Cu + H2O
3H2+N2--->2NH3
Mg + 2HCl ----> H2 + MgCl2
2Mg+O2--->2MgO
2Mg+2H20---->2Mg(OH)+H2
H2+Cu(OH)2--->Cu + H2O
3H2+N2--->2NH3
Mg + 2HCl ----> H2 + MgCl2