What type of reactions are represented by the following equations?
(a) CaO + CO2→ CaCO3
(b) 2Na +2H2O → 2NaOH +H2
(c) Mg + CuSO4→ MgSO4 + Cu
(d) NH4NO2→ N2 +2H2O
(e) CuSO4 + 2NaOH →Cu(OH)2 +Na2SO4

Question

What type of reactions are represented by the following equations?
(a)	CaO + CO2→ CaCO3
(b)	2Na +2H2O → 2NaOH +H2
(c)	Mg + CuSO4→ MgSO4 + Cu
(d)	NH4NO2→ N2 +2H2O
(e)	CuSO4 + 2NaOH →Cu(OH)2 +Na2SO4

Accepted Answer

Combination
Displacement
Displacement
Decomposition
Double displacement reaction

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