Cinnabar (HgS) is an ore of which metal?
Answer & explanation
Correct answer: option 3
The correct answer is option 3. Mercury.
Cinnabar (\(HgS\)) is an ore of Mercury.
Cinnabar is the principal ore of mercury. It is a reddish mineral composed primarily of mercury sulfide (\(HgS\)). When heated, cinnabar decomposes to release mercury vapor, which can then be collected and processed to obtain elemental mercury. Mercury is a valuable metal used in various applications, including thermometers, barometers, electrical switches, and certain industrial processes.