Physical. This is so because it is not a change in energy, but a change in density, or mass.
Slicing bread is a physical change because it does not change the chemical composition of the bread.
chemical
It is a chemical change because you can not return it to bread
chemical change
It is chemical change
Slicing bread is a physical change because it does not change the chemical composition of the bread.
bread is a chemical change, not a physical change
Slicing bread is a physical change, because each slice of bread has the same chemical composition as it had before it was sliced.
chemical
It is a chemical change because you can not return it to bread
Physical
chemical change
It is a chemical change.
chemical
chemical change
It is chemical change
It is chemical change