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Which compound is soluble in water?(1) PbS (3) Na2S(2) BaS (4) Fe2S3

Sagot :

PBCHEM
Correct Answer: Na2S

Reason: 
The compound sodium sulfide i.e. Na2S is soluble in water. This compound gives strong alkaline aqueous solutions. On the other hand, the remaining three compounds i.e PbS, BaS and Fe2S3 are non-soluble in water. Often these compounds are also referred as sparingly soluble compounds. 
samuelkimny

Answer:

Na2S

Explanation:

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