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.
A phase change is a physical change. It is not a chemical change.
Not all chemical changes are accompanied by a visible physical change. Most chemical changes however will be accompanied by a physical change.
the changes that matter undergoes are the physical and chemical change by:R.yu
a computer is a chemical change as it is a machine.
It is a physical change caused by chemicals. Chemical changes are phyiscal changes.
The two types are chemical and physical changes.
Something that tarnishes goes through a chemical change versus a physical change.
It is a physical change. All phase changes are physical, not chemical. The chemical composition of water does not change when it changes from a liquid to a gas, or for that matter, to a solid.
Physical change
Physical change, changes the appearance or the surface. Chemical change, changes the minerals inside the object. Physical deals with the appearance and the surface. Chemical changes the structure of the minerals inside the object.
No, chemical changes can only be reversed by chemical means, not by physical means.