Thermometers and electric bulbs are made of glass
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An incandescent light bulb contains a thin wire filament (usually tungsten) that glows hot when an electric current is run through it. In the presence of oxygen, the filament would burn up as a result of the high temperature. A glass bulb, then, is used to keep oxygen away from the filament.
Thermometers are made of glass as glass has a very low coefficient of thermal expansion. ... Moreover the material has to withstand a high temperature of the filament and glass proves to be the suitable choice
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