Question
Which observation most likely indicates that only a chemical change has taken place?(1 point)
Responses
The change cannot be reversed.
The change cannot be reversed.
The shape changes.
The shape changes.
A reaction occurs.
A reaction occurs.
States of matter changes.
Responses
The change cannot be reversed.
The change cannot be reversed.
The shape changes.
The shape changes.
A reaction occurs.
A reaction occurs.
States of matter changes.
Answers
GPT-4o mini
The observation that most likely indicates that only a chemical change has taken place is:
**A reaction occurs.**
Chemical changes typically involve the formation of new substances and often indicate that a chemical reaction has occurred, while changes in shape or states of matter may involve physical changes that can often be reversed.
**A reaction occurs.**
Chemical changes typically involve the formation of new substances and often indicate that a chemical reaction has occurred, while changes in shape or states of matter may involve physical changes that can often be reversed.