Mercury is commonly used as a thermometric fluid rather than water because

Answers (1)

Mercury is commonly used as a thermometric fluid rather than water because

1. mercury has greater visibility than water

2. Mercury has high melting and boiling points making it a liquid over a broad range of temperatures.

3. Since it is a metal, it has a stable coefficient of expansion hence it expands uniformly and noticeably for a slight change of temperature.

4.mercury doesn't stick to the surface of the thermometer but water does.

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