203Dental MaterialsMedium
The tarnished layer of silver amalgam consists of________?
ASulphides of silver
BAll of the above
COxides of tin
DChlorides of tin
Correct answer
A. Sulphides of silver
Explanation
The correct answer is Sulphides of silver.
Correct answer
A. Sulphides of silver
Explanation
The correct answer is Sulphides of silver.
The setting of zinc phosphate may be retarded by?
Powders of dental plaster and dental stone differ mainly in________?
The most common coupling agents are organic silicon compound called________?
In non-eugenol pastes the constituents are mixed in________?
Stages of annealing in order________?
All of the following statements are true for zinc oxide eugenol cements except________?