physical
Sanding rust off a bike is a physical change because it does not alter the chemical composition of the rust or the metal underneath. It only changes the physical appearance by removing the rust layer mechanically through abrasion.
Yes, it is a physical change.
Nope... sanding a table top is a physical change
Sanding wood is a physical change because it does not alter the chemical composition of the wood. The process of sanding simply removes layers of wood through abrasion, changing its physical appearance and texture without changing its chemical structure. In contrast, a chemical change would involve a transformation at the molecular level, resulting in the formation of new substances with different chemical properties.
Not all chemical changes are accompanied by a visible physical change. Most chemical changes however will be accompanied by a physical change.
Sanding a block of wood is a physical change. This process involves the mechanical removal of material from the surface of the wood, altering its texture and appearance without changing its chemical composition. The wood remains wood, and its chemical properties are unaffected by the sanding.
No, changing the size and shape of a piece of wood is not a chemical change; it is a physical change. In a physical change, the material's appearance or form is altered, but its chemical composition remains the same. For instance, cutting or sanding wood changes its dimensions but does not alter its chemical structure.
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.
Reacting can involve both physical changes and chemical changes. Physical changes involve alterations in the physical state of a substance without changing its chemical composition, while chemical changes involve the formation of new substances with different chemical compositions.
Sanding a piece of paper is a physical change because the paper's appearance and texture are altered, but its chemical composition remains the same.
It is a physical change caused by chemicals. Chemical changes are phyiscal changes.
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.