Q: Which one among the following statements regarding gypsum is not correct?
(a)On heating gypsum at 373 K, it loses water molecules and becomes CaSO4·H2O.
(b)On mixing with water, plaster of Paris changes to gypsum.
(c)Plaster of Paris is used for supporting fractured bones.
(d)Although gypsum possesses water of crystallization, it is not a liquid at room temperature.
Correct Answer: (b)
The correct answer is (b): On mixing with water, plaster of Paris changes to gypsum.. Subject: Geography | Sub-topic: Atmosphere & Climatology Note: This answer was determined through AI-based research. Verify against the official answer key when available.