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Problem 6 - Entrance Test
Plaster of Paris is chemically:
A. CaSO4·2H2O
B. CaSO4
C. CaSO4·½H2O
D. CaCO3
Check Answer
Show Solution
Correct: C
Plaster of Paris (CaSO4·½H2O) hardens when mixed with water to form gypsum (CaSO4·2H2O), used in construction and orthopedics.