Which is the most stable crystalline form of silica at room temperature ?
Correct answer: A. Quartz
- A. Quartz
- B. Cristobalite
- C. Tridymite
- D. None of these
Explanation
Quartz is the stable crystalline form of silica at room temperature, specifically the low-temperature alpha-quartz form. Cristobalite and tridymite become stable at higher temperatures.
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