A) Give scientific reasons ( Any Two)
4
1) Instead of the mercury thermometer, alcohol thermometer is used for measurement of very low
temperature.
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Answer:
Alcohol thermometers are used rather than mercury thermometers in very cold regions because alcohol has a lower freezing point than mercury. Pure ethanol freezes at -115 degrees C, while mercury freezes at -38 degrees C. Aakash EduTech Pvt.
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