Dead burn plaster is

Question

Dead burn plaster is (A) CaSO 4 ⋅ 2 H 2 O (B) MgSO 4 ⋅ 7 H 2 O (C) CaSO 4 ⋅ (1/2) H 2 O (D) CaSO 4

Tardigrade Admin · Accepted Answer

When plaster of Paris is heated above 393 K its water of crystallization is lost and the leftover anhydrous calcium sulphate CaSO 4 is called the dead burnt plaster.

Q. Dead burn plaster is

$C a S O_{4} \cdot 2 H_{2} O$

$M g S O_{4} \cdot 7 H_{2} O$

$C a S O_{4} \cdot \frac{1}{2} H_{2} O$

$C a S O_{4}$

When plaster of Paris is heated above $393 K$ its water of crystallization is lost and the leftover anhydrous calcium sulphate $C a S O_{4}$ is called the dead burnt plaster.

Q. Dead burn plaster is

CaSO4​⋅2H2​O

MgSO4​⋅7H2​O

CaSO4​⋅21​H2​O

CaSO4​

When plaster of Paris is heated above 393K its water of crystallization is lost and the leftover anhydrous calcium sulphate CaSO4​ is called the dead burnt plaster.

$C a S O_{4} \cdot 2 H_{2} O$

$M g S O_{4} \cdot 7 H_{2} O$

$C a S O_{4} \cdot \frac{1}{2} H_{2} O$

$C a S O_{4}$

When plaster of Paris is heated above $393 K$ its water of crystallization is lost and the leftover anhydrous calcium sulphate $C a S O_{4}$ is called the dead burnt plaster.