You are presented with the quiz "What could be used to separate salt from water" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "evaporation can be used for separating a solute from a solvent in a solution" and "for example, in salt water, salt is the solute and water is the solvent". 

So, what's the best answer to the question?


 

   Evaporation        