What is the change of white crystal on the surface of dried pickles

What is the change of white crystal on the surface of dried pickles

Physical changes.
Crystallization.
Crystallization methods are generally two: evaporative crystallization and cooling crystallization.
The appearance of white crystals on the surface of dried pickles is evaporative crystallization.

Is digestion is a physical or chemical change. Food digestion is a physical or chemical change.

Is a combination of physical and chemical changes, peristaltic extrusion is physical, and digestive enzymes are chemical changes

It is a combination of physical and chemical changes, peristaltic extrusion is physical, and digestive enzymes are chemical