Question

A mercury thermometer can not be used to measure the temperature below the freezing point of mercury, which is __________ °C.

a.

-38.9

b.

-11.9

c.

-60.9

d.

-80.9

Answer: (a).-38.9

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Q. A mercury thermometer can not be used to measure the temperature below the freezing point of mercury, which is __________ °C.

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