Why mercury is used in thermomiter
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Yogita Ingle 6 years, 5 months ago
Mercury is the only one in liquid state at room temperature. It's used in thermometers because it has high coefficient of expansion. It also has a high boiling point which makes it very suitable to measure higher temperatures. Mercury is a good conductor of heat. So mercury level indicates the temperature as quickly as possible and accurately. The texture does not stick to the surface.
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