May 17, 2019 in Other

  A student was given Mn, Zn, Fe and Cu metals. Identify which of them

      (a) will not displace H2 from dil. HCl.
      (b) will react only with steam to give H2(g).
      (c) Will give H2 with 5% HNO3.
      Write the chemical reactions involved.

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