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Exam questionKROK 1Pharmacy ยท 2011

A solution contains cations of zinc and aluminum. Specify the reagent that enables to detect cations of zinc in this solution:

Answer options

  1. The excess of 6M sodium hydroxide in presence of hydrogen peroxide
  2. Sulfuric acid solution
  3. Potassium hexacyanoferrate (II) solution
  4. Cobalt nitrate Co(NO3)2
  5. Sodium hydroxide solution
Correct answer

Potassium hexacyanoferrate (II) solution

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