Yes.
Salt will work at temperatures down to minus 8-10 degrees Celsius. Below that temperature, salted roads will still freeze.
Sodium chloride also known as rock salt, is the most common deicing salt. Rock salt releases the highest amount of chloride when it dissolves.
Salt melts ice and snow by lowering its freezing point. Salt is best put on the roads before they freeze or before snow arrives. Then, as snow falls, the salt mixes with it, lowering its freezing point.
Rock salt, to be exact. Much like salt helps freeze ice cream as it churns, it can help the ice in your cooler last longer because salt lowers the freezing point.
Salt melts ice and snow by lowering its freezing point. Salt is best put on the roads before they freeze or before snow arrives. Then, as snow falls, the salt mixes with it, lowering its freezing point. The result is a brine solution, preventing subsequent ice forming. If roads are already frozen solid, salt is far less effective as there’s no liquid water on the surface.