It's a physical change because the properties of the foam is still the same. It's just that the acetone dissolved the foam or it just let out all the air that's in the foam
Yes
When sugar burns, it creates a new substance. It's not possible that it's a physical change. So, it's a chemical change !
It is a chemical change. A physical change to the log would be, for example, cutting the log in two. When it burns, it turns into CO2 and H2O, so it can't be turned back into a log.
Itβs a physical change because itβs changing when is a chemical change itβs gaming
If you burn something it is a chemical change, however if you melt of boil it, it is a physical change.
it is a physical change most of the times because you can get i back into its original form. for ice, or plastic... its physical. but for styrofoam, its a chemical change because you cant get it back.
Chemical change
Chemical change
Something that burns or is flammable would be a chemical change.
it is a chemical change
Burning is a chemical change.
Something that burns or is flammable would be a chemical change.
Yes, anything that burns (combust) is a chemical change
Yes. That is a chemical change.
When sugar burns, it creates a new substance. It's not possible that it's a physical change. So, it's a chemical change !
It's chemical structure is altered by the microwave and it becomes smoke, it doesn't actually melt in the microwave, it burns.
when magnesium burns in air a white powder called magnesium oxide is formed which is a new substance this is the chemical change
Cheimical change