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Uses of Calcium Carbonate

Hydrogen sulf...

Question

Hydrogen sulfide (H₂S) on reacting with an aqueous solution of metal salts converts them to ---------------

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Solution

Hydrogen sulphide (H₂S) reacting with an aqueous solution of metal salts converts them to Metal sulphide.
Example:- Aqueous solution of Copper sulphate (CuSO₄) react with Hydrogen sulphide(H₂S) gives a black precipitate of Copper sulphide (CuS) and Sulphuric acid (H2SO₄)
${CuSO}_{4} (Copper sulphate (aq)) + H_{2} S (Hydrogen sulphide (g)) \to CuS (Black ppt (s)) + H_{2} {SO}_{4} (Sulphuuricacid (aq))$
Therefore Hydrogen sulphide (H₂S) reacting with an aqueous solution of metal salts converts them to Metal sulphide with colour.

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