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One advantage of alcohol over mercury as a thermometric fluid is that ______


Question

One advantage of alcohol over mercury as a thermometric fluid is that ______

Options

A) it expands more uniformly than mercury

B) it is a better conductor of heat than mercury

C) it has a lower freezing point than mercury

D) it has a lower specific heat capacity

The correct answer is C.

Explanation:

The freezing point of alcohol (-115^{\circ}C) is lower than that of mercury, so that it can measure a low temperature better than mercury.

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