PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoCalcium sulphate hemihydrate is commonly known as plaster of Paris. The name is derived from the place of its origin Montmartre in the Paris district. The chemical formula is .
Preparation of plaster of Paris:
When gypsum (), is heated in a rotating kiln at \(300\), it loses its water molecule and forms calcium sulphate hemihydrate.
Properties of plaster of Paris:
- It is a white powder.
- It acts as an oxidizing agent under extreme conditions.
- It produces gypsum when mixed with water.
Uses of Plaster of Paris:
 |
Uses of plaster of Paris
- It is used in making casts for statue, dentistry, surgical instruments, and toys etc
- It is used in construction for making smooth walls, and in the creation of walls and ceilings designs.
- It is used in making chalks and also helps in setting fractured bones during surgery.
- In laboratories, it is used to seal air gaps in the apparatus.
Register for free to see more content