Question

What is cinnabar? How is metal extracted from cinnabar? Explain.​

Answer 1

Answer:

Cinnabar is the sulphide ore of mercury from which the mercury metal is extracted bye the processes of roasting and reduction. The sulphide or is heated in the presence of oxygen to convert it into oxide ore then further reduction gives the mercury metal and oxygen gas.

Answer 2

Answer:

Cinnabar (HgS) is an ore of mercury.

It is first converted into mercuric oxide (HgO). Mercuric oxide is then reduced to mercury on further heating.

2HgS + 3O ➡ 2HgO + 2SO2

2HgO ➡ 2Hg + O