Adding salt to a liquid decreases the melting point of that liquid.
Salt is sodium chloride or nacl.
Adding sodium chloride to a liquid decreases the melting point of that liquid.
Adding what decreases the metling point of a liquid?

1: gold
2: Heat energy
3: helium
4: fossil fuels
5: Sodium chloride
6: Calcium carbonate
7: dihydrogen monoxide
8: salinity