0
What else can I help you with?
Is petrol burning in an engine is it a physical changes?
No,it's a chemical change,because the petrol used can't reversible,also.A considerable amount of heat change is usually involved.
Is petrol used in a car engine a chemical change?
yes it is a chemical change
Is stapling an envelope a physical change or chemical?
A physical change
Is evaporation of petrol a physical change?
Evaporation is a physical chsange.
Is a car crashing a physical or chemical change?
The key here is what happens to the matter. Does it change into a different material or just change shape? If the metal changes into a new substance like iron into rust then it would be chemical but this is definitely a physical change. - - - - - Car crashes can cause both physical and chemical changes. The bending of the car is a physical change, but if the wreck catches fire that's a chemical change.
Is painting a door a physical or chemical change?
Physical change of the paint, not the door.
Is peeling an apple a physical or chemical change?
it is a chemical change
Is acidity physical change or chemical change?
An acid is a chemical compound, not a physical or chemical change.
Is density chemical change or physical change?
It is a physical change.Density is not a chemical property. Instead, it is a physical property.
Is crushing charcoal into powder 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.
Is pounded metal a physical or chemical change?
Physical change
Is Cleaning a painted surface with acid a chemical or physical change?
Chemical broooooooooooooooo niga
