Question

Why does water get cold when salt is added to it?

Answer 1

When water freezes from being in cold air, the release of heat actually slows down the freezing. When you add salt to a mixture of water and ice, it causes more ice to melt by depressing the freezing point and not by adding internal energy so it actually gets colder.

Answer 2

ANSWER -

Water gets colder when salt is added to it because salt lowers the freezing point of water, causing it to take in more heat energy from its surroundings to melt the ice.