Fact 1: Adding salt to a liquid decreases the melting point of that liquid.

Fact 2: Sodium Chloride: It is a table salt .

Given the two facts above, answer the question "What do you add to decrease the melting point of a liquid?" with the following options: 
- salinity
 - Dehydration
 - Heat energy
 - sodium chloride
 - layers of fat
 - chemical changes
 - evaporation
 - aqueous solution


 

    sodium chloride     