Question

$\huge \fbox \red{❥ Question}$



What is Plaster of Paris chemically? How is it prepared? List its two important uses.​

Answer 1

$\sf \large \underbrace{ \underline{Plaster \: of \: Paris}}$

Calcium sulfate with half a molecule of water per molecule of salt is called plaster of paris.

$\sf \large \underbrace{ \underline{It's \: preparation}}$

When Gypsum(which is a dead plaster ) is heated at 373°K it forms plaster of paris.

$\sf CaSO_4.2H_2O \longrightarrow \: CaSO_4.\frac{1}{2}H_2O$

Here gypsum is heated at 373°K to give plaster of paris.

$\sf \Large \underbrace{ \underline{It's \: uses}}$

• It is mainly used in white washing.
• It is used by doctors in treating fracture or broken bones.
• It is used to make statues.
• It is also used to make artificial teeths.