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\underline{\underline{\bold{\mathsf{Plaster \:of \:paris }}}}

Plasterofparis

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◽In short it is also called as P.O.P.

◽Its chmeical name is calcium sulphate hemihydrate

◽The half molecule of water is attached with calcium sulphate.

◽It is a white powdery which is slightly hydrated calcium sulfate

◽\implies{\mathsf{ CaSO_4 \times \frac{1}{2}H_2 O \:or\: 2CaSO_4 \times H_2O }}⟹CaSO

4

×

2

1

H

2

Oor2CaSO

4

×H

2

O

◽Plaster of Paris is the most commonly used plaster round the world and is also called gypsum plaster.

◽Gypsum is a colorless or white substance found near paris and is not highly water-soluble and is not at all hard.

◽A mixture of gypsum and water which is poured and as the the water evaporates. gypsum hardens.

◽Its given the name "plaster of paris" because of its preparation from the abundant gypsum found near Paris.

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