Question

why do we use mercury in the thermometer? can water be used instead of mercury ? what are the problems in using it?​

Answer 1

Answer:

We use mercury in thermometers as they remain in liquid form even with a change of temperature in it. ... So it makes the reading of the scales of the thermometer more difficult, water wets the glass tube so its steady is glass tube. Due to this constraints it is not used as a thermometric liquid.

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Answer 2

Answer:

We use mercury in thermometers as they remain in liquid form even with a change of temperature in it. ... So it makes the reading of the scales of the thermometer more difficult, water wets the glass tube so its steady is glass tube. Due to this constraints it is not used as a thermometric liquid.