Which element is the primary component of ‘Glass’?
ASilicon
BOxygen
CCalcium
DSodium
Explanation
• Most glass is made of silica, or silicon dioxide ($SiO_2$).
• Other ingredients are often added to adjust the melting point and durability.
• It is an amorphous solid made by rapidly cooling a melt.
Exam Relevance
- Topic: Competitive Exams
- Subtopic: FPSC/PPSC Past Papers

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