Answer No one rated this answer yet — why not be the first? 😎 Revas47 Plaster of Paris is a type of gypsum powder that is commonly used in construction, art, and medical applications. When Plaster of Paris is exposed to moisture or water, it undergoes a chemical reaction known as hydration, which causes it to harden and form a solid mass.

The chemical formula of plaster of Paris is written as CaSO4· 1/2 H2O. Properties of Plaster of Paris Some of the important properties of the plaster of Paris are as follows: Usually white in colour and available in powder form. When water is added, gypsum crystals are formed, leading it to achieve a solid state.

Standard VII Chemistry Reaction between Baking Soda and Vinegar Question 5Wri. Question Question 5 Write an equation to show the reaction between Plaster of Paris and water. Solution Plaster of Paris when combines with water forms gypsum. Following reaction is involved: CaSO4. 1 2H2O+11 2H2O→ CaSO4.2H2O Plaster of Paris Gypsum Suggest Corrections

When gypsum is heated in air it loses water and converts first to calcium sulfate hemihydrate, ( bassanite, often simply called "plaster") and, if heated further, to anhydrous calcium sulfate ( anhydrite ).

Calcium Sulphate hemihydrate is called plaster of Paris (can be written as POP) because as we have seen in the above reaction, it is formed by heating Gypsum at the temperature 373 K to 400 K . The name plaster of Paris is derived from the large deposits of gypsum in the Montmartre hill in Paris.

Plaster of Paris is usually a white dry plaster powder. It can be effectively worked with metal apparatuses or even abrasive sheets and can be shaped as per requirements. The strength of plaster of Paris is not as strong as other compounds, and it often requires external support when a large amount is used.