An alcohol thermometer is preferred for a very old region ?give reason
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Explanation:
Alcohol thermometers are used rather than mercury thermometers in very cold regions because alcohol has a lower freezing point than mercury. ... 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.
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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. ... 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.
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