you get plaster water in other words putty
If you put plaster over a water balloon and freeze it, the water balloon will bulge out.
it is an irreversible change
happens
You have lost the integrity of the plaster for one.
well it probably forms plaster.A2. Plaster of Paris as usually bought has been dried - the water of crystallization has been removed.When you re-hydrate the material, the molecules are able to take up this water, and form new inter-locking crystals. This we recognize as a solid.When it is applied as a plaster cast to immobilize a broken joint, usually more water is used (to aid working) than is need for the setting process. This water evaporates slowly, but cools the limb due to evaporative cooling.
When gypsum is heated to 120o C, it tuns into plaster of paris, after loosing about 75% of its water.
It will dissolve in the water.
When electrical energy is added to water it creates electric shock.
Scandium doesn't react with water.
Naphtalene is not soluble in water.
The temperature of the water will rise.
the water then appears coulerless