Question
3. Which of the following equations shows a physical change?
Answers
GPT-4o mini
To determine whether an equation represents a physical change or a chemical change, one must look at the nature of the substances involved and the process described.
- **Physical changes** involve changes in state or appearance but do not alter the chemical composition of the substances. Common examples include melting, freezing, boiling, and dissolving.
- **Chemical changes** involve a transformation that alters the chemical composition of the substances, leading to the formation of new substances. Examples include rusting, combustion, and reactions that produce a gas or precipitate.
If you provide me with specific equations, I can help you identify which one represents a physical change.
- **Physical changes** involve changes in state or appearance but do not alter the chemical composition of the substances. Common examples include melting, freezing, boiling, and dissolving.
- **Chemical changes** involve a transformation that alters the chemical composition of the substances, leading to the formation of new substances. Examples include rusting, combustion, and reactions that produce a gas or precipitate.
If you provide me with specific equations, I can help you identify which one represents a physical change.