Question
Which observation most likely indicates that only a chemical change has taken place? (1 point)
• The change cannot be reversed.
• The shape changes.
• A reaction occurs.
• States of matter changes.
• The change cannot be reversed.
• The shape changes.
• 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.
This suggests that new substances are formed, which is characteristic of a chemical change. Other observations like shape changes or state changes can occur in physical changes as well.
• A reaction occurs.
This suggests that new substances are formed, which is characteristic of a chemical change. Other observations like shape changes or state changes can occur in physical changes as well.