Laboratory thermometer have Mercury or not
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A laboratory thermometer is recognizable by its long stem with a silver bulb at the end. The silver color in the bulb normally indicates the presence of mercury. Mercury expands as the temperature increases, thus raising the reading, while decreasing temperatures contract the mercury, lowering the reading..
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The laboratory thermometer as well as clinical thermometer are Mercury thermometer when heat is supplied to the thermometer bulb containing Mercury the Mercury explained and rises in the glass tube of thermometer.
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