Question

Write short notes on Glass production.

Answer 1

There are various types of glasses.

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.

Answer 2

Answer:

for glass production , mixture of sand , soda , lime and small quantity of magnesium oxide is heated in furnace . sand i.e silicon dioxide melts at 1700 degree Celsius .so so as to melt the mixture at low temperature , pieces of discards glass are added to it .due to this , mixture molts at 85 degree Celsius .

once all the ingredients of mixtuee are liquefied, it is heated upto 1500 degree Celsius and immediately cooled . due to sudden cooling , mixture become homogenous,amorphous and transparent instead of crystalline .

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