Question

Which is a practical application of boiling-point elevation?

Boiling sea water to recover the salt it contains.
Cooling a supersaturated sugar-and-water solution to form rock candy.
Burning coal to make the steam that powers a steam engine.
Adding antifreeze to water in a car radiator in summer to raise the boiling point.

Answer 1

Which of these answers actually involves boiling-point elevation? it should be somewhat obvious

Answer 2

a @sweetburger

Answer 3

Its not a.

Think about a situation where you want a liquid to be able to get really hot, but you do not want that liquid to boil. Therefore you add a solute to that liquid to cause a boiling point elevation.

Answer 4

c

Answer 5

R u guessing?

Answer 6

all its d @sweetburger

Answer 7

there you go