Either evaporation or crystallization.
boil the water away, leaving the salt in the bottom of the pot or whatever you used.
For example using ion exchangers.
it does not remove the sugar or salt because it is dissolved in the water so it cannot be removed by filtration and must be removed by distillation
salt when dissolved in water will become an acidic solution
Salt dissolved in water has no appearance. Take a glass of water, sprinkle a little salt in it, stir. Salt disappears when dissolved.
Salt water can be treated to remove the dissolved chemicals - making it safe to drink or bathe with.
When salt is dissolved a water sodium chloride solution is obtained.
The separated salt is a crystalline solid; the dissolved salt is dissociated in ions.
The Life Straw will not desalinate salt water, remove dissolved chemicals or minerals, nor remove viruses.
Salt
Salt is very soluble in water.
Salt water is a solution of salt dissolved in water.