Yellow ammonium sulphide solution is a suitable reagent for the separation of :

Chemistry · JEE Main · NTA Exams — Principles Related To Practical Chemistry

1. HgS and PbS
2. PbS and Bi₂S₃
3. Bi₂S₃ and CuS
4. CdS and As₂S₃

Answer

(D) CdS and As 2 S 3

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