I think that's just a physical change, because the water in whatever state, liquid, ice or vapor, is H2O
definitely correct!
no. when water boils it is a physical change, because the actuall chemical structure is still H2O, it is just in the form of steam.
Physical
Boiling point is a physical property.
It is a chemical change
Carving pumpkin physical change or chemical change
Physical.
It is a physical change.
Boiling is a physical phenomenon, a change of phase.
no. when water boils it is a physical change, because the actuall chemical structure is still H2O, it is just in the form of steam.
Physical, steam is still H2O.
It is a physical change when water boils. See also related answers.
When water boils, it is a physical change.
A physical change.
A good example of a simple Physical Change occurs in a tea pot. The hot, liquid water boils and goes off as steam. Steam is still water (no chemical change,) but is now a gas.
Its a chemical reaction :]
Physical
Boiling point is a physical property.