alcohol is coloured while using in thermometer why
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Answer:
If it freezes it won't move in the tube, so a liquid must be used that has a freezing point that's lower than the temperature it's measuring. Since alcohol is colorless a dye is added.
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1
Explanation:
An alcohol thermometer is used to measure the temperature of extreme cold places. Alcohol thermometer can measure the temperature of - 1120 Celsius to 78.30 Celsius. It is transparent; therefore, it has to be coloured before it is used. It has low specific heat capacity.
EXTRA INFORMATION ✅⤵️
Why is Coloured alcohol used in thermometers?
Alcohol thermometers are used rather than mercury thermometers in very cold regions because alcohol has a lower freezing point than mercury. ... Since alcohol is colorless a dye is added.
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