Question

Which of the following is an example of a chemical change?

a. water evaporating from a puddle on a hot day
b. burning a piece of toast
c. cracking open an egg and removing the yolk
d. steam condensing on the bathroom mirror

Answer 1

The answer would most likely be A

Answer 2

The answer will most likely be A: water evaporating from a puddle on a hot day. When water evaporates, it turns into vapor.