Salt can be recovered from its solution by evaporation. Suggest some other technique for the same?

Common salt can be separated from its aqueous solution by

Salt can be separated from its solution (salt dissolved in water), because

Metals can be recovered from their ores by chemical methods.

How can you recover common salt from its solution in water?

We can get water from a mixture of salt and water by evaporation.

Which of the following metals would be displaced from its solution of its salt by the other three metals?