chemical change because there is release of heat, light and energy.
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.
Chemical broooooooooooooooo niga
Physical - there are no chemicals involved
It's a physical change why are some people f$#@%ing stupid and saying a chemical change??
The chemical formula is modified.
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.
Lighting a match starts a chain reaction which boosts the materials of the match tip, the wood with oxygen. These process changes the substance chemical formula, thus chemical change happens.
Fireworks involve both physical and chemical changes. The lighting of the firework (ignition) is a chemical change that triggers a series of reactions which results in the colorful display seen (physical change) as different elements are heated and produce light.
Flammability is not a physical change; it is a chemical property of a substance. It describes the ability of a material to ignite and burn in the presence of an ignition source. When a substance burns, it undergoes a chemical change, transforming into different substances such as gases and ash, which is distinct from a physical change that does not alter the chemical composition of the material.
A physical change
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.
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