Chemistry · Chemistry in Everyday Life
What is the primary purpose of adding soda ash (sodium carbonate) to the silica mixture during the glass-making process?
- 1To increase the structural thickness of the glass
- 2To lower the melting point of the silica mixture✓
- 3To make the glass watertight and less porous
- 4To impart a specific color to the glass
Correct answer
To lower the melting point of the silica mixture
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