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Percentage content of silica in window glass is

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Building Materials
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Percentage content of silica in window glass, is

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Correct Answer: Option D
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2 Comments
Riju Chakraborty
Riju Chakraborty 4 months ago
Ordinary window glass composition
Silica (SiO₂): 72%
Soda (Na₂O): 14%
Lime (CaO): 10%
Small amounts of magnesia, alumina, and other oxides: 4%
Nilesh Ponnusamy
Nilesh Ponnusamy 6 years ago
The average content of silicon dioxide in glass is
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