Question

1. what is it called when a liquid turns into a gas? a. melting b. freezing c. boiling d. condensation e. none of the above

Explanation:

The process of a liquid turning into a gas is called vaporization, and boiling is a type of vaporization that occurs at a specific temperature (boiling point) throughout the liquid. Melting is solid to liquid, freezing is liquid to solid, and condensation is gas to liquid. So the correct option is the one related to liquid - to - gas change, which is boiling here.

Answer:

c. Boiling