Question

why mercury and alcohol are often used in thermometer

Answer 1

Explanation:

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. It also has a high boiling point which makes it very suitable to measure higher temperatures.

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Answer 2

Answer: Mercury and Alcohol are often used in thermometer because mercury is the only metal that exists in liquid state in room temperature. And also mercury is the only liquid metal which predicts the correct temperature.

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