Which answer below correctly identifies the type of change and the explanation for the change in calcium
carbonate?
A. physical change because even though a state change was observed the calcium carbonate
retained its original properties
B. physical change because even though a particle size change was observed, the calcium carbonate
retained its original properties and was not transformed into a new substance
C. chemical change because a state change was observed, which indicated that the calcium
carbonate was transformed into a different substance
D. chemical change because a particle size change was observed, which indicated that the calcium
carbonate was transformed into a different substance