Why is mercury used As a thermometer liquid
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Mercury is the only element that is liquid at Room temperature.And also it as high coefficient of expansion.Hence Mercury is used in Thermometer.
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the reasons are:
mercury is liquid in room temperature
its highly expandable
it expands even if there is a slight change in temperature
its silvery appearance ,makes it easier to read
mercury is liquid in room temperature
its highly expandable
it expands even if there is a slight change in temperature
its silvery appearance ,makes it easier to read
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