The main purpose of adding metallic oxides in ceramic is________________?
Correct answer: A. Colour matching
- A. Colour matching
- B. Transparency
- C. Opacity
- D. None of the above
Explanation
Metallic oxides such as iron, copper, cobalt, and chromium oxides act as pigments in porcelain and help produce the required shade. They can also influence opacity, but colour matching is their principal use in this context.
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