Are the following examples are chemical or physical changes?

Question

Column A
1. Digesting lunch
2. Cutting your hair
3. Crumbling up your snack wrapper
4. Grilling chicken

Column B
A. Chemical Changes
B. Physical Changes

Answer 1

Column A

1. Digesting lunch - Chemical Changes
2. Cutting your hair - Physical Changes
3. Crumbling up your snack wrapper - Physical Changes
4. Grilling chicken - Chemical Changes