Question

Why is salt used instead of ice to make old-fashioned ice cream?
a.

Ice in the barrel would not work because it does not get cold enough to freeze the ice cream inside that has dissolved materials in it itself

c.

Both a and b
b.

Salt in the ice makes it melt at a higher temperature

d.

None of the above

Answer 1

Ice in the barrel would not work because it does not get cold enough to freeze the ice cream inside that has dissolved materials in it itself.


By adding salt to water, and then ice cubes, you can get the water to reach lower temperatures (\(<0^oC\)) before freezing.