Q
During setting of alginate impression materials________________?
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A
A. Trisodium phosphate reacts with sodium alginate
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B
B. Trisodium phosphate reacts with calcium sulphate
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C
C. Colloidal changes to sol
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D
D. Material in contact with soft tissues sets last
Correct Answer:
B. B. Trisodium phosphate reacts with calcium sulphate