A. Iridium
B. Ruthinium
C. Indium
D. Platinum
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Related Mcqs:
- Modern dental noble metal casting alloys generally have equiaxed fine grain structures because of the incorporation of small amounts of______________?
- A. Chromium B. Indium C. Irridium D. Palladium...
- Quartz in investment material is added for_______________?
- A. Strength B. Expansion components for casting shrinkage C. Decrease strength D. Contraction...
- The deoxidizing agent added to dental alloys is______________?
- A. Palladium B. Silver C. Copper D. Zinc...
- Quartz is added to gypsum bonded investment to______________?
- A. Increase the strength B. Counter balance contraction of gypsum during heating C. aid in hygroscopic expansion D. Increase the shelf life of investment...
- Nickel is added to wrought gold alloys as______________?
- A. Strengtherner B. Hardener C. Whitens the alloy D. Scavenger...
- In porcelain metal elements are embedded in the matrix of________________?
- A. Rubber matrix B. Glass C. Plastic D. Resin matrix...
- Gallium and indium added to Amalgam replace______________?
- A. Silver B. Tin C. Mercury D. Zinc...
- Modiffiers are added to gypsum mainly to_______________?
- A. Modify setting time B. Modify setting expansion C. Modify strength D. Decrease the porosity...
- Lenolin is added is ZOE paste to______________?
- A. Decrease flow B. Increase flow C. Accelerate reaction D. Decrease irritation due to eugenol...
- Hydroquinone is added to methyl methacrylate monomer_________________?
- A. To prevent polymerization during storage B. To initiate release of free radicalls C. To enable polymerization reaction at room temperature D. All of the above...
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