Aging is a physical change that is brought on by a chemical change. As a person ages, there are hormones that get depleted, like estrogen for women, and testosterone for men. This chemical change in the body leads to a physical change in appearance.
Tarnishing of silver (Ag) is a chemical change. It occurs when silver reacts with sulfur compounds in the air, forming silver sulfide, which appears as a darkened layer on the surface. This process alters the chemical composition of the silver, making it different from its original state, and cannot be easily reversed through physical means.
A physical change
Physical change of the paint, not the door.
it is a chemical change
Crushing charcoal into powder is a physical change, as it alters the size and shape of the charcoal without changing its chemical composition.
An acid is a chemical compound, not a physical or chemical change.
It is a physical change.Density is not a chemical property. Instead, it is a physical property.
Chemical broooooooooooooooo niga
Physical change is a change in the structure. Chemical change is a change in the composition. Melting is a physical change. Complexing is a chemical change.
Physical change
A change in temperature can change the rate of physical or chemical change.
Burning is a chemical change.