The water evaporates and the salt remains in the beaker. Both the salt and the water evaporate and leave the beaker. The salt becomes a new compound. The salt will evaporate from the water and disperse into the environment.
I gave my students this multiple choice question: What happens when salt water is boiled?

Only one answer is correct among these 4 choices:
- The water evaporates and the salt remains in the beaker.
- Both the salt and the water evaporate and leave the beaker.
- The salt becomes a new compound.
- The salt will evaporate from the water and disperse into the environment.

Could you tell me which one is correct?

The water evaporates and the salt remains in the beaker.