No
Not all chemical changes are accompanied by a visible physical change. Most chemical changes however will be accompanied by a physical change.
A physical change is a change in chemical composition. A physical change is a change where chemical composition is not altered. Not all chemical changes are accompanied by a physical change, but some are. The same is true for the reverse.
Exercise is a chemical process but it is accompanied by many chemical reactions in the body.
No, a chemical change is usually accompanied by a change in color or odor. A physical change is a change that is the same substance before and after and usually accompanied by a change in state of matter (evaporation, condensation, melting, freezing, sublimating, etc).
Both are accompanied by an energy change.
A physical change
A chemical change occurs when the bonds between atoms are broken or formed, leading to the creation of new substances with different chemical and physical properties. This process is usually accompanied by the release or absorption of energy. Examples of chemical changes include combustion, rusting, and cooking.
Physical change of the paint, not the door.
it is a chemical change
An acid is a chemical compound, not a physical or 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.
It is a physical change.Density is not a chemical property. Instead, it is a physical property.