With reference to metals and their ores, which of the following pairs is INCORRECT?
Answer & explanation
Correct answer: option 2
The correct answer is option 2. Mercury (Hg) – Greenockite.
The pair that is incorrect is option Mercury (Hg) – Greenockite.
Greenockite is actually the ore of cadmium (Cd), not mercury (Hg). Mercury primarily occurs in its elemental form or as cinnabar (mercury sulfide), not greenockite.