Greenockite is the ore of which metal?

(a) Cadmium
(b) gallium
(c) Calcium
(d) Zirconium

Anurag Mishra Professor Asked on 16th May 2016 in General Knowledge.
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    Answer: (a) Cadmium 

    Anurag Mishra Professor Answered on 18th May 2016.
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