Why are alcohol thermometers rather than mercury thermometers used to measure low air temperatures?
| August 10, 2021 | education
Mercury in a mercury thermometer freezes at -38.3 ° C. The thermometer does not react to a further decrease in temperature. May be damaged if warmed up. The freezing point of pure alcohol is -114 ° C. A spirit thermometer is used to measure temperatures down to -100 ° C.
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