Testing for cation (3) in unknown solution using aqueous ammonia

Опубликовано: 15 Июль 2026
на канале: Bernice Chen Yaqi

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In this video, I will demonstrate how to carry out the test for an unknown cation using aqueous ammonia

Observation: Blue ppt forms, soluble in excess aqueous ammonia, forming a dark blue solution
Conclusion: Copper(II) ion is present in unknown solution

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