Which of the following involves a change in physical proproties only?

a. freezing water into ice cubes

b. baking a loaf of bread

c. making an acid and a base

d. burning a match

A. Freezing Water into ice cubes

Explanation:

When freezing Water into an ice cube you are only changing the physical property and you can make the ice cube water again unlike baking a loaf of bread you cant turn that baked loaf of bread back into batter or into it's original state, burning a match would be a chemical property and so would C so therefore your answer would be

A. Freezing Water into ice cubes