Rating Newest Oldest. Best Answer: 1. in most pure substances, melting occurs at a specific Temperature called the melting point. 2. the change of state from liquid to solid is called freezing (solidification) 3. the change from a liquid to gas is called Condensation.. the chane of state from liquid to solid is called _____. 3. the change from a liquid to gas is called _________. Update: when does vaporization take place each liquid boils only at a certain temperature which is called it _________.