Question
Which observation most likely indicates that only a chemical change has taken place? (1 point)
A reaction occurs.
The change cannot be reversed.
The shape changes.
O States of matter changes.
A reaction occurs.
The change cannot be reversed.
The shape changes.
O States of matter changes.
Answers
GPT-4o mini
The observation that most likely indicates that only a chemical change has taken place is:
**The change cannot be reversed.**
Chemical changes often result in the formation of new substances, which are typically not easily reversible, unlike physical changes where the original substance can often be recovered.
**The change cannot be reversed.**
Chemical changes often result in the formation of new substances, which are typically not easily reversible, unlike physical changes where the original substance can often be recovered.