Some metals are used to manufacture coins. Among the metals

Some metals are used to manufacture coins. Among the metals, which are called coinage metals?
A. Cu, Co, Hg
B. Au, Ag, Cu
C. Ag, As, Sb
D. Fe, At, Pb

Anurag Mishra Professor Asked on 29th February 2016 in Chemistry.
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    Answer:  (B) Au, Ag, Cu 

    Anurag Mishra Professor Answered on 1st March 2016.
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