Which of the following is an example of a chemical change (change in chemical composition) that involves starting with a liquid and ending up with a gas?

Question

Burning gasoline (combustion).

Boiling acetone.

A pond evaporating.

Condensation of steam.

Answer 1

Burning of gasoline (combustion)

note that phase changes are physical changes only.
hope this helps~ :)

Answer 2

Which of the following is an example of a chemical change?
A change in water from a solid to a liquid

A log burning over a fire Adding salt to a pot of water

Painting a fence brown