Answer:
b. they identify what phase the substances are in
Explanation:
hope this helps :) A P E X
State symbols used in chemical reaction as they identify what phase substances are in the equation.
Hence, Option (B) is correct answer.
The balanced chemical equation is the equation in which the number of atoms on the reactant side is equal to the number of atoms on the product side in an equation.
The state symbol in a balance chemical equation tell the whether the substance is in solid state, liquid state, gas state.
Thus from the above conclusion we can say that State symbols used in chemical reaction as they identify what phase substances are in the equation.
Hence, Option (B) is correct answer.
Learn more about the Balanced chemical equation here: https://brainly.com/question/26694427
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