Computer · Building Materials
What is the primary purpose of using potash (potassium oxide) during the manufacture of glass?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To decrease the durability of glass
- 2To impart a deep yellow colour
- 3To make glass fire-resistant (increase its softening point)✓
- 4To accelerate the fusion of glass
Correct answer
To make glass fire-resistant (increase its softening point)
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