a mercury thermometer is used in tropical/temperate climate where as alcohol thermometer is used in extremely cold climate . why
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Mercury is the only one in liquid state at room temperature. It'sused 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
as the temperature increases the liquid in the bulb expands and pushes higher into the glass tube. As is cools, it... Alcohol thermometers are used rather than mercury thermometers in very cold regions because alcohol has a lower freezing point thanmercury. ... Since alcohol is colorless a dye is added.
as the temperature increases the liquid in the bulb expands and pushes higher into the glass tube. As is cools, it... Alcohol thermometers are used rather than mercury thermometers in very cold regions because alcohol has a lower freezing point thanmercury. ... Since alcohol is colorless a dye is added.
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Mercury is the only one in liquid state at room temperature. It'sused 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
as the temperature increases the liquid in the bulb expands and pushes higher into the glass tube. As is cools, it... Alcohol thermometers are used rather than mercury thermometers in very cold regions because alcohol has a lower freezing point thanmercury. Since alcohol is colorless a dye is added.
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