Powders of dental plaster and dental stone differ mainly in____________?

Related Mcqs:

The main ingredient in dental plaster in_______________?

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

Finer particle size of silica______________?

A. Slower the hygroscopic expansion B. Greater the hygroscopic expansion C. Normal setting expansion D. No setting expansion...

The function of 2% potassium sulphate in a gypsum product is_____________?

A. To regulate the setting expansion B. Regulate setting time C. Acts as retarder D. None...

As per DNA No. 25, minimum amount of setting expansion required for type V gypsum products_______________?

A. 0.05 B. 0.10 C. 0.15 D. 0.20...

Plaster of paris _____________?

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