A metal is found in liquid state. It is widely used in instrument for measuring blood pressure. In what form does it occur in nature? How can we extract this metal from its ore?

Mercury is a metal that is found in a liquid state and is used in instruments for measuring blood pressure.

It occurs in nature as sulphide ore in the form of Cinnabar (HgS). Mercury is obtained from purified cinnabar by the process of roasting in the presence of air.

The Equation is given as:

$HgS\xrightarrow[Heat]{Air} \ \ Hg\ +\ SO_{2}$

 HgS = Cinnabar (Sulphide ore of Mercury)

Hg = Mercury

SO₂ = Sulphur dioxide

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Updated on: 10-Oct-2022

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