An aspirin is crushed into fine power. Is this a physical or chemical change?
There is no change in the chemical composition during a physical change.
in the crushing of aspirin there is no chemical change. The molecules are the same in the small structures of the powered aspirin as in the entire pill.
Since there is no chemical reaction or change in the composition of crushed aspirin in relationship to non crushed aspirin, Crushing aspirin is a physical change.