With reference to metals and their ores, which of the following pairs – McqOptions

MCQOPTIONS

1.	With reference to metals and their ores, which of the following pairs is INCORRECT?
A.	Mercury (Hg) – Greenockite
B.	Gold (Au) – Calaverite
C.	Aluminium (Al) – Cryolite
D.	Cobalt (Co) – Smelite
Answer» B. Gold (Au) – Calaverite

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