it is physical change as you are not adding new chemicals and your are only changing the shape and it is revers able because once you open it you can close it again so it is definitely physical.
It is a physical change.Density is not a chemical property. Instead, it is a physical property.
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
Burning is a chemical change.
Moving furniture is a physical change, not a chemical change. A chemical change involves a change in the chemical composition of a substance, while a physical change involves a change in the physical state or appearance of a substance without altering its chemical composition. When you move furniture, you are simply changing its position or location, which is a physical change.
A physical change
The ignition of matches is a chemical change because it involves a chemical reaction between the materials in the match head and the sulfur on the strike strip to produce heat and light. This reaction cannot be reversed to return the match to its original state.
Physical change of the paint, not the door.
The chemical formula is modified.
it is a chemical change
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.
Crushing charcoal into powder is a physical change, as it alters the size and shape of the charcoal without changing its chemical composition.
Chemical broooooooooooooooo niga
Physical change
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.
A change in temperature can change the rate of physical or chemical change.