Question

How is plaster of paris chemically different from gypsum ? How may they be interconverted? write one use of plaster of Paris.​

Answer 1

Answer:

pop is used in making toys and statues.

it is diffrent from gypsum as it has hemi hydrate of water molecules and gypsum has dihydrated water.

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Answer 2

Plaster of Paris is different from Gypsum in term of water of crystallization. Gypsom has 2 mole of water of crystallization where as Plaster of Paris has half mole of water of crystallization. Plaster of Paris is prepared from heating gypsum. (i) It is used for making moulds or casts for toys pottery, ceramics etc.

CaSO4.2H2O ------Heat/273 k--> CaSO4.1/2 H2O When plaster of Paris is mixed with water it get converted into Gypsum CaSO4.1/2 H2O + 3/2 H2O ----------> CaSO4.2H2O The use of plaster of Paris are- (i) It is used for making moulds or casts for toys pottery, ceramics etc. (ii) In surgical bandages for setting fractured bones.Read more on Sarthaks.com - https://www.sarthaks.com/205195/plaster-paris-chemically-different-from-gypsum-these-inter-converted-write-plaster-paris.

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