Exam questionKROK 2Pharmacy ยท 2012
An analytical chemist determines the admixture of sulphates in the boric acid. What is the main reagent to be added?
Answer options
- Sodium sulphide
- Potassium ferrocyanide
- Ammonium oxalate
- Silver nitrate
- Barium chloride
Correct answer
Barium chloride
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