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It is a physical change.
rice from solution by filteration and salt by vaporising water .
to evaporate as its name had suggested
( evaporation is a process to vaporising of a liquid without reaching its boiling point)
In British English, the verb of vapour is vaporise.In American English, the verb is vaporize.Other verbs depending on the tense are vaporises (US - vaporizes), vaporising (US - vaporizing) and vaporised (US - vaporized),
Endothermic reaction
For endothermic reactions Hfinal > Hinitial and DH is positive (+DH)