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Chemically speaking, how does applying hot dog mustard to a coin detect the presence of silver metal
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Chemically speaking, how does applying hot dog mustard to a coin detect the presence of silver metal

User Sander Marechal
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Answer:

A black spot will remain on the silver coin, but not on the nonsilver coin. Mustard naturally contains sulfur compounds, and sul- fur reacts with silver to form a black precipi- tate of silver sulfide (Ag2S)

Step-by-step explanation:

User Tom Raganowicz
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