Powdery is an adjective which not require any change!
You can have a physical change where a large lump of some substance is ground into powder. Or you can have a chemical change (eg magnesium burning) which leaves a powdery residue.
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
A physical property of wood is a characteristic that can be observed or measured without changing the wood's chemical composition, such as its density or color. A chemical property of wood involves how it interacts with other substances to undergo a chemical change, such as its ability to burn or react with certain chemicals.
Physical - there are no chemicals involved
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.
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.
Chemical broooooooooooooooo niga
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
A change in temperature can change the rate of physical or chemical change.
A physical property of wood is a characteristic that can be observed or measured without changing the wood's chemical composition, such as its density or color. A chemical property of wood involves how it interacts with other substances to undergo a chemical change, such as its ability to burn or react with certain chemicals.
Burning is a chemical change.