Which answer below correctly identifies the type of change and the explanation for the change in calcium carbonate?

physical change because even though a state change was observed, the calcium carbonate retained its original properties

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

chemical change because a state change was observed, which indicated that the calcium carbonate was transformed into a different substance

chemical change because a particle size change was observed, which indicated that the calcium carbonate was transformed into a different substance