Answer :
So, in summary, there are really only two criteria for whether a change is chemical or physical: 1) After the change does it look the same and 2) can you change it back? If the answer is yes, the change is physical every time .
Answer:
you can ask after the change:
1. Does it look the same
2. Can it be changed back
if the answer is yes then the change is always going to be physical
Explanation:
pls mark branliest