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JAMB Physics 2010 Question 15

Question 15

Temperature and Thermometers

One special advantage of alcohol over mercury as a thermometric liquid is its

  1. A.low freezing point.
  2. B.low boiling point.
  3. C.high specific heat capacity.
  4. D.low density.
Show the answer and explanation

Answer: A (low freezing point.)

Explanation

Mercury freezes at −39°C, but alcohol stays liquid down to about −115°C, so alcohol thermometers can be used in very cold places.