2Mg+O2= 2 MgO
MgO+ H2SO4= MgSO4 +H2O
MgSO4 +Ba(OH)2=BaSO4↓+ Mg(OH)2
Mg(OH)2+ZnCl2=MgCl2+Zn(OH)2 ↓
MgCl2+H2S=MgS + HCl
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2Mg+O2= 2 MgO
MgO+ H2SO4= MgSO4 +H2O
MgSO4 +Ba(OH)2=BaSO4↓+ Mg(OH)2
Mg(OH)2+ZnCl2=MgCl2+Zn(OH)2 ↓
MgCl2+H2S=MgS + HCl