Exam questionKROK 1Pharmacy ยท 2012
A solution contains cations of zinc and aluminum. Specify the reagent that allows to detect cations of zinc in this solution:
Answer options
- Cobalt nitrate Co(NO3)2
- Potassium hexacyanoferrate (II) solution
- Sulfuric acid solution
- Excess of 6M sodium hydroxide in presence of hydrogen peroxide
- Sodium hydroxide solution
Correct answer
Potassium hexacyanoferrate (II) solution
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