A. Decrease its strength and ability to be hardened
B. Decrease its tarnish resistance
C. Increase its fusion temperature
D. Redden the alloy
A. They have a modulus of elasticity twice that of gold alloys
B. They are more rigid than gold alloys
C. They have higher ductility than gold alloys
D. They have a lower proportional limit than gold alloys
A. Solid
B. Liquid
C. Gas
D. Colloid
A. It should be rapidly displaced from the mouth
B. It may exhibit fluid exudates on the surface as a result of imbibition of water
C. It will take up water and expand if kept wet
D. It will shrink as a result of syneresis
A. Their use
B. Their hardness after setting
C. Water content
D. Eugenol content
A. Imbibition
B. Syneresis
C. Hysteresis
D. Gelation
A. Addition poly silicone
B. Agar-agar
C. Polysulphide
D. Polyether
A. Act as a scavenger
B. Helps as surfactant
C. Acts as plasticizer
D. Acts as a catalyst
A. Condensation polysillicon
B. Addition Polysilicon
C. Polyether
D. A and B
A. High viscosity elastomeric impression material
B. Medium viscosity elastomeric impression material
C. Low viscosity elastomeric impression material
D. None of the above