How H_(2)S is liberated in laboratory – InterviewSolution

1.	How H_(2)S is liberated in laboratory
Answer» `FeSO_(4)+H_(2)SO_(4)` `FeS+dil. H_(2)SO_(S)` `FeS+conc.H_(2)SO_(4)` `"ELEMENTARY H"_(2)+"elementary S"` Solution :`FeS+H_(2)SO_(4)rarr FeSO_(4)+H_(2)S`

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