Given the question: Fact 1: Heating salt water causes the water to evaporate while the salt remains. Fact 2: Evaporation is the change of state from a liquid to a gas. Given the two facts above, answer the question "Heating salt water causes the water to do what while the salt remains?" with the following options: - change into a solid - freeze - change into a liquid - rapid expansion - flow of electrons - change into a gas - chemical reaction - It gets heated up
The answer is:
change into a gas