Which of the following finds use as a superior thermometer liquid for high temperature measurement ?
Which of the following finds use as a superior thermometer liquid for high temperature measurement ?
A. Gallium
B. Thallium
C. Arsenic
D. Mercury
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Correct Answer - A
Gallium has a low m.pt. `(29.8^(@)C)` and very high b.pt. `(2070^(@)C)`. So Gallium has the longest liquid range of any known substance and finds use as a thermometer liquid for high temperature measurement.
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