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When calcium carbonate is heated, it breaks down into carbon dioxide (CaCO3) and calcium oxide (CaO), the main ingredient in Portland cement. During this reaction, thermal energy is taken in from the surroundings and converted to chemical energy.

Complete the statement.

During this chemical reaction, the air around the reaction becomes ___.

Group of answer choices

A. cooler

B. boils

C. stays the same

D. warmer

Respuesta :

During this chemical reaction, the air around the reaction becomes warmer. Thus, option (D) is correct.

What is a chemical reaction?

Chemical reaction refers to the reaction that takes place between two different composition of chemical. It is the combination of the two or more substances that forms the new substance.

It happens when the substances change their identity and that change cannot be reserved in any of the case. For example-: Burning of the paper and concerting it into ashes is a chemical reaction.

Therefore, it can be concluded that the air around the chemical reaction becomes warmer. Hence, option (D) is correct.

Learn more about chemical reaction here:

https://brainly.com/question/22817140

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