Answer & Explanation:
Chemical properties are properties that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter. They include reactivity, flammability, and the ability to rust. Reactivity is the ability of matter to react chemically with other substances.
i look it up ok
Answer:
a chemical process in which substances act mutually on each other and are changed into different substances, or one substance changes into other substances.
Two locations would be the forehead and ear.
