Chemistry, asked by mdahmaddgs123, 7 months ago

What changes take place when an ore of mercury is heated
in air for a long time?

Answers

Answered by pinky162
1

Explanation:

When an ore of mercury is heated into air for long time,the mercury oxide is produced and by further heating,this mercury oxide becomes pure mercury metal.

- In this process the ore of the mercury is cinnabar.

- Chemical reaction :

First phase - 2HgS + 3O2 -----> 2HgO + 2SO2

And,by the obtained HgO of the first phase.

Second phase - 2HgO ----> 2Hg + O2

I hope this is help you..

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