Fact 1: Adding salt to a solid decreases the freezing point of that solid. Fact 2: Another name for salt is sodium. Given the two facts above, what can you add to a solid to lower its freezing point?
Select from the following.
a). calcite.
b). energy.
c). heat.
d). sodium.
e). boiling.
f). Solutions.
g). salinity.
h). Energy..
Answer:
d).