Chemical reactions are defined as the reaction between the reactants to produce products. The chemical reactions are identified by the observable changes during the reactions.
The correct answer is:
Option D. Any of the above
The chemical reaction can be identified as:
1. In a chemical reaction to be identified, the evolution or production of gas can be the result of the chemical reaction.
2. The temperature change due to the evolution or absorption of heat is the characteristic feature of the chemical reaction.
3. The change in the color of the reaction or formation of a precipitate is also characteristic of chemical reactions.
Thus, the correct answer is any of the above.
To know more about chemical reactions, refer to the following link:
https://brainly.com/question/6876669
