Question

A chemical change occurs when.


A the identity of a substance changes but its appearance does not.


B neither the appearance of a substance nor its identity changes.


C both the physical properties of a substance and its identity change.

D

the appearance of a substance changes but its identity does not.

Answer 1

Answer:

Im not 100 percent sure but I think C because a chemical change occurs when the chemical has broken composure so I think its C.