Why corroded silver articles shine when rubbed with a toothpaste
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silver articles become black after sometime when exposed to air as it reacts with sulphur in the air forming a coating of silver sulphide
rubbing the silver articles with toothpaste helps in removing the tarnish as it is basic and contains abrasive particles
rubbing the silver articles with toothpaste helps in removing the tarnish as it is basic and contains abrasive particles
Answered by
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Answer:Due to presence of H2O2.
Explanation: Toothpaste contains traces amounts of H2O2 which reacts with Ag2S to form sulphate and removes the black Ag2S.
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