write short note on glass production
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Believe it or not, glass is made from liquid sand. You can make glass by heating ordinary sand (which is mostly made of silicon dioxide) until it melts and turns into a liquid. You won't find that happening on your local beach: sand melts at the incredibly high temperature of 1700°C (3090°F).
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The most common variety, which is seen in window frames, in making of bottles and jars, glasses etc, are referred to as soda lime glass. Glass is made of silicon dioxide primarily. Other components used in making are sodium carbonate, sodium oxide, and calcium oxide.
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