Respuesta :
A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding.
Answer: Splitting water into hydrogen and oxygen.
Explanation:
The other 3 are physical changes. When you boil water it is still water, when you freeze water it is still water, and when you break ice it is still ice which is water.