Q: Changes of state of matter do not involve what type of reaction?


Read this paragraph and choose the correct option from the provided answers:

Not all changes in matter involve chemical reactions. For example, there are no chemical reactions involved in changes of state. When liquid water freezes or evaporates, it is still water. No bonds are broken and no new products are formed.

 Choices:

- gaseous reaction

- radiation

- mechanical reaction

- chemical reaction


A:
chemical reaction