Greening occuring when porcelains are fired on silver free alloys may be attributed to________________?

A.\tVaporization of silver from the walls of contaminated furnacesCorrect Answer

B.\tSurface diffusion of silver from the marginal metal

C.\tMore rapid silver diffusion in sodium containing glass

D.\tSilver ionization by porcelains with high oxygen potential

Correct Option: A.\tVaporization of silver from the walls of contaminated furnaces

This question has been verified by the PakPrep community moderation network for competitive examination accuracy.

Subject Overview

Explore thousands of solved past paper MCQs for Medical Mcqs categorized with explanations.