Question

chemical properties of POP​

Answer 1

Explanation:

Answer:

• White or yellowish, finely divided, odorless powder consisting mostly or entirely of calcium sulfate hemihydrate, CaSO4*1/2H2O. ...
• Chemical Formula: CaSO4 = 0.5H2O.
• Water Solubility: 0.3 % at 77° F (NIOSH, 2016)
• Specific Gravity: 2.5 (NIOSH, 2016)
• Molecular Weight: 145.2 (NIOSH, 2016)

Answer 2

Answer:

The characteristics of pop :

◆ plaster of paris is esay to spread and level .

◆ It is fire resistant highly .

◆ It form a thick surface to resist normal knocks after drying.

◆ It expands very slightly on the setting.