Plaster of paris _____________?

Gypsum Products 09/12/2021

A. Is wet calcined hemihydrate
B. Has porous and irregular crystals
C. Is a – hamihydrate
D. Has a W / P of 0.2

Related Mcqs:

    The main ingredient in dental plaster in_______________?
    A. Calcium sulphate hemihydrate B. Calcium phosphate C. Calcium anhydrate D. Calcium sulphate dihydrate...
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    A. Investment B. Hydrocolloids C. Amalgam D. Silicate...
    The product, which is obtained by calcining gypsum under steam pressure at 120-130°C or by dehydrating gypsum in the presence of sodium succinate is_______________?
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    Type I gypsum product is also called_______________?
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    Setting of POP is result of______________?
    A. Difference in solubility of CaSo4 ½ H2O + CaSO4+ 2H2O B. Reaction between CaSO4+ 2H2O and water C. Nucleation and growth of CaSo4 ½ H2O crystals D. Reaction between hemihydrate and hihydrate...

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