The student observed that the temperature changed from 25°C to 23°C when the solutions were combined and that a white substance rapidly formed and settled to the bottom of the container. What most likely happened to
produce these results?
A
One of the original compounds came out of solution.
B
The solutions reacted chemically.
с
Some of the water froze into ice crystals.
D
Rapid evaporation of water occurred, leaving a solid.