The Bulbs (the ends) of the U-shaped part of the Maximum-Minimum thermometer contain which of the following?
A
Air
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B
Mercury
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C
Alcohol
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D
Methane
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Solution
The correct option is C Alcohol The bulbs on either side of the U-shaped tube of the Maximum-Minimum thermometer contain alcohol. The expansion and contraction of alcohol with respect to the mercury filled in the U-shaped tube gives rise to the values of a region's maximum and minimum temperature.