Question

Chemical formula of plaster of Paris?​

Answer 1

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CHEMICAL FORMULA OF PLASTER OF PARIS : CaSO4.1/2H2O .

( Calcium sulphate hemihydrate )

⇒ Obtained by heating gypsum at 120°C .

⇒ White powder.

⇒ Sets into hard mass on adding water.

⇒ Losses water of crystallization at 473K.

⇒ Used for plastering fractured bones.

⇒ Used for making toys , decorative materials.

⇒ Used for casts for statues, toys, surgical instruments.

⇒ Used for blackboard chalk.

CHEMICAL REACTION/EQUATION :

CaSO₄.1/2H₂O + 1 1/2 H₂O -------------> CaSO₄.2H₂O

( PLASTER OF PARIS ) ( GYPSUM )

Answer 2

✿━━━━@Mg━━━━✿

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✿━━━━@Mg━━━━✿

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Plaster of Paris is the common name of Calcium sulphate hemihydrate,

with chemical formula: CaSO4.1/2H2O.