Question

Mercury is used in liquid thermometer because it has
a) Low specific heat
b) Good conductor
c) High expansion
d) All the above

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Answer 1

Answer:

The correct option is High Expansion.

Explanation:

Most metals are good conductors of heat and they are solids at room temperature. Mercury is the only one in liquid state at room temperature. It's used in thermometers because it has high coefficient of expansion. Hence, the slightest change in temperature is notable when it's used in a thermometer.

Hope this answer helps you out.

Answer 2

Answer:

c) High expansion

Explanation:

Th answer is high expansion because with change in temperature, the mercury expands or contracts and the temperature can be read through scale.

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