Select the correct answer.
Which statement is true of a chemical change?
A.
B.
It involves changes in the molecular structure.
It involves changes in phase but not changes in the molecular structure.
O c.
It involves dissolving one substance into another.
O D.
It involves a change in the state, or phase, of a substance.
E.
It involves the process of separating two or more dissolved substances.

Question

trinityannlucy trinityannlucy

30-04-2024
Chemistry

Answered

Select the correct answer.
Which statement is true of a chemical change?
A.
B.
It involves changes in the molecular structure.
It involves changes in phase but not changes in the molecular structure.
O c.
It involves dissolving one substance into another.
O D.
It involves a change in the state, or phase, of a substance.
E.
It involves the process of separating two or more dissolved substances.

Answer :

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GinnyAnswer GinnyAnswer · Answer 1 · 2024-04-30T15:21:41-04:00

The correct answer to the question "Which statement is true of a chemical change?" is: A. It involves changes in the molecular structure. Explanation: 1. A chemical change refers to a process where one or more substances are converted into different substances with new chemical properties. 2. During a chemical change, the molecular structure of the substances involved is altered. Bonds between atoms are broken and new bonds are formed, leading to the creation of new molecules. 3. This transformation results in the formation of substances with distinct chemical compositions from the original reactants. 4. Examples of chemical changes include combustion, rusting of iron, and digestion of food where new substances are formed with different properties compared to the starting materials.