Plaster of paris _____________?

Related Mcqs:

The main ingredient in dental plaster in_______________?

A. Calcium sulphate hemihydrate B. Calcium phosphate C. Calcium anhydrate D. Calcium sulphate dihydrate...

The hygroscopic technique is associated with______________?

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_______________?

A. Alpha – hemihydrates B. Beta – hemihydrates C. Calcium sulphate dihydrate D. Orthorhombic anhydrate...

Type I gypsum product is also called_______________?

A. Impression plaster B. Class I stone / Hydrocal C. Class II stone/Densite D. Model plaster...

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...