Final answer:
The evaporator is mounted in a bottom-freezer refrigerator and converts liquid refrigerant into gas by absorbing heat from the food within the refrigerator.
Step-by-step explanation:
In a bottom-freezer refrigerator, the evaporator is mounted in a frozen food compartment at the bottom of the cabinet. The evaporator is responsible for converting liquid refrigerant into gas. It absorbs heat from the food within the refrigerator, causing the refrigerant to vaporize.