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Passing H ₂ ~S gas into a mixture of Mn ²⁺, Ni ²⁺, Cu ²⁺ and Hg ²⁺ in an acidified aqueous solution precipitates

Options

  1. ACuS and HgS
  2. BMnS and CuS
  3. CMnS and NiS
  4. DNiS and HgS

Correct answer

A. CuS and HgS

Step-by-step solution

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