Chemistry, asked by chandashing, 8 months ago


What changes take place when an ore of mercury is heated in air for a long time?
Write the name of the ore of mercury and the reaction involved in this process.​

Answers

Answered by Anonymous
53

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

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