|
German silver is an alloy of |
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|
(a) |
gold and silver |
(b) |
copper and silver |
|
(c) |
copper, zinc and silver |
(d) |
copper, zinc and nickel |
|
German silver is an alloy of |
|||
|
(a) |
gold and silver |
(b) |
copper and silver |
|
(c) |
copper, zinc and silver |
(d) |
copper, zinc and nickel |