(A) Zinc, Silver and Copper
(B) Zinc, Copper and Nickel
(C) Silver, Copper and Aluminium
(D) Copper, Nickel and Silver
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Online Test Preparation and Mcqs Website.
(A) Zinc, Silver and Copper
(B) Zinc, Copper and Nickel
(C) Silver, Copper and Aluminium
(D) Copper, Nickel and Silver