Gypsum is a very common mineral composed of calcium sulphate dihydrate having chemical formula CaSO 4 ·2H 2 O and molecular mass of 172.

Used in making casts and patterns for molds and statues.

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Dead plaster or burnt plaster: Anhydrous CaSO 4 (Calcium sulfate) is called dead plaster or burnt plaster because it does not set like Plaster Of Paris when.

Hint: Plaster is generally made up of calcium sulphate which is basically used to make pots, chalks, and other decorative items rather than this the main basic use of.

Uses of Dead burnt plaster: Used to give plaster finishing. . .

It is used in places of high traffic and friction.

Properties of Plaster of Paris. In the form of γ γ γ - anhydrite, it is used as. It has a harder and more resistant finish.

Oct 2, 2020 · When Plaster of Paris is heated above 393K, no water of crystallisation is left and anhydrous calcium sulphate (CaSO 4) is formed. This is known as ‘dead burnt plaster’.

When we divide 88 by 10.

Used in place of high friction and high traffic.

. 1 Answer.

Gypsum. .

it does not have the properties of plaster of paris.
What is 'dead burnt plaster' ? See answers.
½ H 2 O ——-> 2 CaSO 4 + H 2 O.

Above 393K anhydrous Calcium sulphate also known as dead burnt plaster will be formed and no water of crystallisation will left.

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0. . We get, ∴ 88 10 = 8.

21H 2O is called plaster of paris. . This anhydrous salt is called dead burnt plaster. Correct option is C) 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. Then pop will be converted in to dead burnt plaster which is of no use Temperature should be controlled very carefully. CaSO$_4$ is the dead burnt plaster.

CaSO 4 stronglyheat CaO+2SO 3.

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Used in place of high friction and high traffic.

It is then used in construction and medical industry.

Hence, the required decimal number is 8.

(1/2)H 2O (dead burnt plaster) (plaster of paris) Anhydrous Calcium sulphate is known as dead burnt plaster and CaSO 4.