Question

CaCO3 = Na2O + CO2 what type of reaction is this

Answer 1

DECOMPOSITION

Step-by-step explanation:

Examples: 2 H2O → 2 H2 + O2 CaCO3 → CaO + CO2 Decompositions are generally the opposite (reverse) of combination reactions, and they usually involve oxidation and reduction (but not in the last example).