Which answer below correctly identifies the type of change and the explanation for the change in calcium
carbonate?
O physical change because even though a state change was observed, the calcium carbonate
retained its original properties
O 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
Ochemical change because a state change was observed, which indicated that the calcium
carbonate was transformed into a different substance
Ochemical change because a particle size change was observed, which indicated that the calcium
carbonate was transformed into a different substance

Physical change: A physical change involves a change in the state or appearance of a substance without altering its chemical composition. For example, when ice melts into water, its composition remains the same, only its physical state changes.

Chemical change: A chemical change results in the formation of new substances with different chemical properties. For instance, when calcium carbonate undergoes a chemical reaction with an acid to form a new substance, carbon dioxide, and water, it is a chemical change.

Therefore, the correct identification for the change in calcium carbonate would be chemical change because a new substance is formed, indicating a change in chemical composition.

Learn more about chemical and physical changes here:

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