Zinc forms two important alloys, $(i)$  Brass and $ (ii) $ German silver. Metals present in them mainly are

  • A

    In $ (i) $ zinc and tin; and in $ (ii) $ zinc, silver and nickel

  • B

    In $ (i) $ zinc and iron; and in $(ii)$  zinc, nickel and cobalt

  • C

    In $ (i)$  zinc and copper; and in $(ii)$  zinc, copper and nickel

  • D

    In $(i)$  zinc and aluminium; and in $ (ii)  $ zinc, nickel and aluminium

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