Question:

What is/are the function of Silica in glaze? A. Enhance opacity
B. Produce texture
C. Produce glass
D. Provided colour
E. Provided matt surface

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Logic Tip: Silica is the primary glass former in ceramic glaze chemistry.
Updated On: Jun 4, 2026
  • A and B Only
  • C Only
  • D, B and E Only
  • E Only
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The Correct Option is B

Solution and Explanation

Concept:
Silica is one of the most important ingredients in ceramic glaze chemistry. Its primary role is:
• Glass formation
• Surface vitrification
• Transparency development


Step 1:
Silica acts as the principal glass former in ceramic glazes. It melts during firing and creates: \[ Glassy surface coating \] Thus: \[ C \text{ is correct} \]


Step 2:
Silica itself does not directly:
• Produce colour
• Create opacity
• Generate matte surface These effects are usually caused by other glaze additives. \[ \boxed{\text{(2) C Only}} \]
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