Carry out the transformations and determine the type of each reaction: Mg → MgO → MgSO4 → Mg (OH) → MgO → MgCO3.

1.2Mg + O2 -> 2MgO – compound reaction
2.MgO + SO3 = MgSO4 – compound reaction
3. MgSO4 + 2NaOH = Mg (OH) 2 + Na2SO4 – exchange reaction
4. Mg (OH) 2 → MgO + H2O – decomposition reaction
5.MgO + H2CO3 = MgCO3 + H2O – exchange reaction



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