Q.

Which of the following is a metallic ore?

A. Mica
B. Quartz
C. Feldspar
D. Galena
Answer» D. Galena
Explanation: Galena is the most abundant lead mineral. It is a metallic, lead-gray mineral with cubic cleavage and a distinctly high density. It belongs to the octahedral sulfide group of minerals with metal ions in octahedral positions.
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