b) Sodium + Oxygen Sodium Oxide + Type of Reaction :

c) Barium Chloride + Potassium iodide Barium lodide + Potassium Chloride Type of Reaction :

e) NH 3 +HCl NH 4 Cl Type of Reaction ;

f) CuO+H 2 Cu+H 2
O Type of Reaction

g) CaOH CaO 2 +H 2 O Type of Reaction