All physical changes are reversible because the molecules do not undergo change in any chemical reaction even in in the change in the state of matter. NaCl is a salt compound and each molecules gets easily dissolved in water and the salt recovered by evaporation of water.
Wiki User
∙ 12y agoWiki User
∙ 9y agoDissolving is a physical change because the physical property changes but a new chemical substance does not form. An example is dissolving salt in water.
Wiki User
∙ 10y agoBecause it is not a chemical change, and the molecular properties of the substance are not changed
Wiki User
∙ 9y agoDissolving salt is a physical change because the salt changes from a solid form and melts into the liquid it is dissolved in.
Wiki User
∙ 11y agoDissolving is a physical change because there is no change in chemical makeup of the solute or the solvent. There is no chemical reaction.
No, dissolving is a physical change
Dissolving salt in soup is a physical change.
It is a physical change as you can change it back.
No, it is a physical change.
Dissolution is a physical change.
It is a physical change.
Dissolution is a physical change.
Dissolving in water is a physical change.
Dissolving is considered by most to be a physical change.
Dissolving in water is a physical change.
No, dissolving is a physical change
Dissolving tablets is a physical change, as they can be distilled out again.
Dissolving is a physical change.
Dissolving salt in soup is a physical change.
Dissolving is a physical process.
Dissolving is a physical process.
Dissolving is a physical process.