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Describe the preparation of metallic sulphides.

Answers

- Hydrogen sulphide reacts with metal ions in solution to form precipitates of metal sulphides; majority of which are black in colour.

(i). Procedure
- The gas is bubbled through solutions of the following salts: Pb (NO₃)₂, CuSO₄, FeSO₄ etc.

(ii). Observations and equations

Note:
- Most metal sulphides are insoluble in water except those of sodium, potassium and ammonium.

Kavungya answered the question on March 5, 2019 at 12:57

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