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Question
Cinnabar is an ore of ____.
Options:
A .  mercury
B .  copper
C .  calcium
D .  lead
Answer: Option A
:
A
An ore consists ofdesired metal compoundfrom which the metal can be extracted profitably.
Cinnabar is an ore of mercury. Its chemical formula is HgS.
It is the most common source usedfor refining elemental mercury.

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