Gypsum Products

A. Setting time
B. Setting expansion
C. Hardness of the set product
D. None of the above

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

A. Impression of single tooth
B. Impression of whole teeth
C. Replica of single tooth
D. Replica of whole teeth

A. Plastic bowl
B. Rubber bowl
C. Glass bowl
D. Metal bowl

A. 18.6ml
B. 22.2ml
C. 30.4ml
D. 45.3ml

A. Dry strength
B. Compressive strength
C. Strength of dental stone due to green colour
D. The wet strength

A. 0.28 and 0.6
B. 0.6 and 0.28
C. 0.6 and 3.2
D. 0.28 and 0.98

A. CaO
B. CaCO3
C. (CaSO4)2-½H2O
D. CaSO4-2H2O