A chemical change
Physical
Chemical
Nope, Physical
no it is chemical
Chemical.
Physical
Milk turning sour is a chemical change.
i think it is chemical but it may be physical.
This is a chemical change.
Chemical
because it is irreversible and it has a new substance
Nope, Physical
no it is chemical
Chemical.
It is a chemical change.
Chemical property
An apple turning brown is both a chemical and a physical change. Physically it changes appearance by turning brown. Chemically it oxidizes when the air comes in contact with the enzymes and chemicals in the fruit.