Question

why Mercury commonly used in thermometer​

Answer 1

Äñswér:

Because mercury is a liquid metal and it gets raised when it becomes heat in thermometer .

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Answer 2

Mercury is commonly used in thermometer because it expands equally for every degree of rise in temperature. It does not stick to the walls of the glass. It's boiling point is very high and melting point is low.It is shiny, which makes it easily visible through the glass.

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