During setting of alginate impression materials________________?

Impression Materials 29/08/2021

A. Trisodium phosphate reacts with sodium alginate
B. Trisodium phosphate reacts with calcium sulphate
C. Colloidal changes to sol
D. Material in contact with soft tissues sets last

Related Mcqs:

    Hysteresis in a hydrocolloid gel is______________?
    A. Moisture absorption B. Temperature lag between gelation and liquefaction temperature C. Phenomenon of conversion of gel into sol D. All of the above...
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    A. Low thermal conductivity B. High flow property C. Degradation is presence of moisture D. Remain distortion free up to 72 hrs. pouring can be safely delayed...
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    A. Using less water powder ratio B. Storing the impression under water C. Prolonged manipulation D. Using humidor...
    Which of the following impression materials is easy to pour and difficult to remove the stone cast from the impression ?
    A. Addition polysilicone B. Condensation polysilicone C. Polyether D. Polysulfide...
    Linear contraction of elostomeric impression with passage of time is highest in______________?
    A. Addition silicone B. Polysulphide C. Polyetner D. Condensation silicone...

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