Q
Placing cast under tap water is to be avoided as______________?
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A
A. H2o interferes with hygroscopic expansion
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B
B. H2o inhibits polymerization of dental resin
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C
C. H2o interferes with crystallization of dihydrate
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D
D. Gypsum is slightly soluble in water and the surface of the cast will be eroded
Correct Answer:
D. D. Gypsum is slightly soluble in water and the surface of the cast will be eroded
