📊 Chemistry
Q. Which of the following is used in the manufacture of glass?
  • (A) Sodium chloride
  • (B) Calcium carbonate
  • (C) Sodium carbonate
  • (D) Sodium nitrate
✅ Correct Answer: (C) Sodium carbonate

Explanation: Sodium carbonate (Na₂CO₃) lowers the melting point of silica and helps form glass.

Explanation by: Sikhar Chaudhary
Sodium carbonate (Na₂CO₃) lowers the melting point of silica and helps form glass.

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