Question
What is a sign that a chemical change has taken place?
A) A substance melts into a liquid
B) A new substance is formed with different properties
C) A substance is crushed into a powder
D) A substance dissolves in water
A) A substance melts into a liquid
B) A new substance is formed with different properties
C) A substance is crushed into a powder
D) A substance dissolves in water
Answers
GPT-4o mini
B) A new substance is formed with different properties
This is a sign that a chemical change has taken place, as it indicates that the original substances have reacted and transformed into new substances. The other options (A, C, and D) describe physical changes rather than chemical changes.
This is a sign that a chemical change has taken place, as it indicates that the original substances have reacted and transformed into new substances. The other options (A, C, and D) describe physical changes rather than chemical changes.