Question

Physical characteristics of plaster of Paris ​

Answer 1

Answer:

Physical characteristics of plaster of Paris

White or yellowish, finely divided, odorless powder consisting mostly or entirely of calcium sulfate hemihydrate, CaSO4*1/2H2O. Forms a paste when it is mixed with water that soon hardens into a solid. Used in making casts, molds, and sculpture. Generally non-toxic.

Water Solubility: 0.3 % at 77° F (NIOSH, 2016)

Melting Point: 325 ° F (Loses H2O) (NIOSH, 2016)

Chemical Formula: CaSO4 = 0.5H2O

Eyes: No recommendation is made specifying the need for eye protection.

Explanation:

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Answer 2

Explanation:

White or yellowish, finely divided, odorless powder consisting mostly or entirely of calcium sulfate hemihydrate, CaSO4*1/2H2O. Forms a paste when it is mixed with water that soon hardens into a solid. Used in making casts, molds, and sculpture. Generally non-toxic.

Water Solubility: 0.3 % at 77° F (NIOSH, 2016)

Chemical Formula: CaSO4 = 0.5H2O

Melting Point: 325 ° F (Loses H2O) (NIOSH, 2016)

(I don't know it's correct. if this answer is wrong sorry for that wrong answer)