Physics · Relation between Temperature on different scales
Why are alcohol thermometers preferred over mercury thermometers for measuring extremely low temperatures in colder regions?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Alcohol conducts heat much better than mercury.
- 2Alcohol does not expand or contract with temperature changes.
- 3Mercury becomes highly toxic when it is cooled below 0°C.
- 4Alcohol has a much lower freezing point than mercury, remaining liquid well below -39°C.✓
Correct answer
Alcohol has a much lower freezing point than mercury, remaining liquid well below -39°C.
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