Dissolve salt in a glass of water, make a concentrated solution. Dip a few salt crystals in a saturated solution and leave until

Dissolve salt in a glass of water, make a concentrated solution. Dip a few salt crystals in a saturated solution and leave until all the water has evaporated. See what remains in the glass. Draw conclusions.

After the water evaporates, salt crystals will remain in the glass. Even after changing their state of aggregation, the crystals return to the crystalline form.

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