How Can You Tell Whether a Sugar Solution Is Saturated

Multiple Choice

How can you tell whether a sugar solution is saturated or not?

A) Add more sugar,if it dissolves,it is saturated.
B) There will be a precipitate if the water is heated.
C) Cool the solution to see if there is a precipitate.
D) As long as there are more water molecules than sugar molecules,there is a saturated solution.