Which of the following set of metals mostly found as sulphide ores :
(A) Zn,Cu,Mg
(B) Zn, Cu, Pb
(C) Fe,Al, Ti
(D) Cu,Ag,Au
Correct Answer is: (B) Zn, Cu, Pb
Zinc blende (ZnS) ; copper glance (Cu2S) ; Galena (PbS).