Q.

Mercury is commonly used as a thermometric fluid rather than water because

A. specific heat of mercury is less than water
B. specific heat of mercury is more than water
C. mercury has greater visibility than water
D. density of mercury is more than the water
Answer» C. mercury has greater visibility than water
Explanation: One special kind of mercury-in- glass thermometer, called a maximum thermometer, works by having a constriction in the neck close to the bulb.
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