Question

Which of the following examples would be a physical change?

A Cooking an egg
B Dissolving salt in water
C Lighting a match
D Milk going sour

Answer 1

B siddolving salt in water

Answer 2

dissolving salt in water

Step-by-step explanation:

The other three were chemical reactions, but salt in water is the only one that can be reversed, and the only one where the substances remain the same chemically.