Question:
Glass ceramics contain
Glass ceramics contain
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Glass ceramics are made by controlled crystallization and contain both glassy and crystalline phases.
Updated On: May 7, 2026
- Fully crystalline structure
- Amorphous matrix with crystalline phases
- Only silica
- Only alumina
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The Correct Option is B
Solution and Explanation
Concept:
Glass ceramics are produced by controlled crystallization of glass. They contain both glassy and crystalline phases.
Step 1: Ordinary glass is amorphous.
Step 2: When glass is heat-treated under controlled conditions, crystals form inside the glass.
Step 3: This produces a material having an amorphous glassy matrix along with crystalline phases.
Step 4: Such materials are called glass ceramics. Therefore, glass ceramics contain: \[ \boxed{\text{Amorphous matrix with crystalline phases}} \]
Step 1: Ordinary glass is amorphous.
Step 2: When glass is heat-treated under controlled conditions, crystals form inside the glass.
Step 3: This produces a material having an amorphous glassy matrix along with crystalline phases.
Step 4: Such materials are called glass ceramics. Therefore, glass ceramics contain: \[ \boxed{\text{Amorphous matrix with crystalline phases}} \]
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