In the Decomposition Reaction in Which CaCO₃ Breaks Down to Form

Multiple Choice

In the decomposition reaction in which CaCO₃ breaks down to form CaO and CO₂, how can the rate of reaction be measured?

A) By the heat of the reaction
B) By the formation of CO₂ over time
C) By the number of moles of product
D) By the formation of CaCO₃ over time