It is both a physical and chemical change.
Bleaching your hair is a chemical process, not a physical property. The chemicals in hair bleach work to break down the natural pigments in your hair, resulting in a lighter color. This change is due to a chemical reaction rather than a physical characteristic of the hair itself.
first physical, second chemical
Bleaching your hair is a chemical change. The bleach reacts in hair, removing the color in an irreversible chemical reaction. There is no way to reverse the bleaching. Bleaching your hair also makes a new substance, when you do bleach your hair it is permanent.
Bleaching hair is a chemical process. It involves the use of chemical compounds, like hydrogen peroxide, to break down and remove the natural pigment in the hair shaft. This changes the hair color by lightening it.
Yes, because it changes the composition of molecules in the hair.
no. it is not a physical change because it is still hair. It did not change the DNA. But, if the question was if the pigment change was physical, then it would be because the pigment changed in order for the hair to be a lighter color.
Bleaching is a chemical reaction.
Chemical Change
It is a pbysical change because its still the same thing. For example if i take a person named Tyler and paint his nails black and a black trench coat on, and dye his hair purple and cut it into a mohak, its still same old Tyler! Do u get it?
Cutting hair is a physical change because it does not alter the chemical composition of the hair. The cutting process only changes the physical appearance and length of the hair without changing its chemical structure.
cutting your hair is probably a physical change I don't know