Question

which chemical is used in thermometer

Answer 1

in thermometer mercury is used

Answer 2

Heya!

Here's Your Answer
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There's No Chemical Used In Thermometer,
It's a misconcept

But,

There's An Element,

Mercury, (Hg)
(Hydrargynum)

That's Used in Thermometer,

It's liquid at room temperature.

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Hope It Helps.......!!!!! :-)