silver articles become black on prolonged exposure to air. this is due to the formation of
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Silver is extracted mainly from its sulphide ore like argentite (silver glance). When a thin coating of silver sulphide forms on the surface of silver it makes it black in color.
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Silver is extracted mainly from its sulphide ore like argentite (silver glance). When a thin coating of silver sulphide forms on the surface of silver it makes it black in color.
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