Question

Which option shows a reaction in which calcium carbonate (CaCO3) produces calcium oxide and carbon dioxide?

A. decomposition: CaCO3 → CaO + CO2
B. synthesis: CaO + CO2 → CaCO3
C. double displacement: CaO → CO2 + CaCO3
D. single displacement: CaCO3 → CaO + CO2

Answer 1

option A is correct the decomposition reaction of caco3 will give cao+co2

Answer 2

A.Displacement CaCO3=CaO Plus CO2