Question
Physical vs. Chemical Change Quick Check
1 of 41 of 4 Items
Question
Which observation most likely indicates that only a chemical change has taken place?(1 point)
Responses
States of matter changes.
States of matter changes.
A reaction occurs.
A reaction occurs.
The shape changes.
The shape changes.
The change cannot be reversed.
Answers
GPT-4o mini
The observation that most likely indicates that only a chemical change has taken place is:
**A reaction occurs.**
Chemical changes are typically marked by the formation of new substances, which is indicated by a reaction occurring. The other options may relate to physical changes, where substances change form but do not become something new.
**A reaction occurs.**
Chemical changes are typically marked by the formation of new substances, which is indicated by a reaction occurring. The other options may relate to physical changes, where substances change form but do not become something new.