Testing for cation (2) in unknown solution using sodium hydroxide

Опубликовано: 24 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 sodium hydroxide

Observation: White ppt forms, soluble in excess sodium hydroxide, forming a colourless solution
Conclusion: Zinc ion is present in unknown solution

NOTE:
Aluminium ion and Lead(II) ion will give identical results

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