why we use mercury in thermometer what happen if we use water instead of mercury
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Below 0oC and above 100oC can't measure by using the water. The most metals are solids at room temperature but the mercury is liquid form because it has high coefficient of expansion. The mercury does not sticking to capillary wall of thermometer can easily measure temperature accurately.May 10, 2017
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Answer: Mercury is a metal which exist liquid at the room temperature.When mercury is heated it expands.As usually when thermometer is kept in touch with body it expands giving accurate temperature.
Explanation:Where as another metal does not have property to expand at the body temperature.
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