Question

Which of the following is a clue that a chemical change has taken place?

A.)A gas forms when the change takes place.
B.)The substance is smaller than it was before the change took place.
C.)The substance has been shaken up.
D.)The substance looks the same as it did before the change took place.

Answer 1

The answer should be B let me know if I’m right

Answer 2

A, A gas forms when the change takes place.

Step-by-step explanation:

Not 100% sure!! I just know that the conditions of chemical change are color change, formation of a gas, odor change, or temperature change