Визначте тип реакції .
K + H₂ = KH

KOH + H₂SO4= K₂SO4 + 2H₂O CaCO3=CaO+CO,

NaOH + P₂O5 = Na3PO4 + H₂O SO₂ + O₂ = SO3

H₂CO3 = CO₂ + H₂O

Fe₂O3 + H₂ = Fe + H₂O FeCl3 + NaOH = Fe(OH)3 + NaCl

CO + O₂ = CO
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