LIST TH REASON OF USING MERCURY IN THERMOMETER
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Mercury is the only one in liquid state at room temperature. It's used in thermometers because it has high coefficient of expansion. Hence, the slightest change in temperature is notable when it's used in a thermometer. It also has a high boiling point which makes it very suitable to measure higher temperatures.
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mercury has a wide range of temperature.
Mercury is non volatile and does not stick to the walls of the thermometer.
mercury is opaque and clearly visible.
mercury is a good conductor of heat and electricity.
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