- (A) H2O interferes with hygroscopic expansion
- (B) H2O inhibits polymerization of dental resin
- (C) H2O interferes with Crystallization of dihydrate
- (D) Gypsum is slightly soluble in water and the surface of the cast will be eroded
Medical Mcqs
- (A) Modify setting time
- (B) Modify setting expansion
- (C) Modify strength
- (D) Decrease the porosity
- (A) 10 um
- (B) 15 um
- (C) 30 um
- (D) 0.1 um
- (A) Atomic attraction and welding
- (B) Annealing
- (C) Wedging
- (D) Adaptation
- (A) Composite
- (B) Silver
- (C) Gold
- (D) Amalgam
- (A) 24 K
- (B) 22 K
- (C) 18 K
- (D) 10 K
- (A) Gold added with palladium
- (B) Gold added with calcium
- (C) Gold with much of chromium
- (D) Gold with silver
- (A) CaO
- (B) CaCO3
- (C) (CaSO4)2-½H2O
- (D) CaSO4-2H2O
- (A) 0.28 and 0.6
- (B) 0.6 and 0.28
- (C) 0.6 and 3.2
- (D) 0.28 and 0.98
- (A) Dry strength
- (B) Compressive strength
- (C) Strength of dental stone due to green colour
- (D) The wet strength

