Physical.
It is a physical change.
Boiling is a physical phenomenon, a change of phase.
Physical, steam is still H2O.
It is a physical change when water boils. See also related answers.
No, it's a physical change, for you can change steam back to its original state, water
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.
When water boils, it is a physical change.
A physical change.
The boiling of water at 212 degrees Fahrenheit is a physical change. This change occurs when water transitions from a liquid state to a gaseous state without altering its chemical composition.
The boiling of water is a physical change, not a chemical change. During boiling, water molecules are just rearranged from liquid to gas state due to the heat energy, while the chemical composition of water remains the same.
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 :]