[Jewelry making - Article 00935] - Re: [Orchid] Tarnish remover use aluminium foil

[Noel]

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Hi, John,

    Merry Christmas! 

    Your reply about the "fresh" hydrogen gas made me wonder-- why do
    the hydrogen atoms hook up with the sulphides instead of just
    pairing with their mates (other naked hydrogen atoms)? 

    Also, Jim said sodium carbonate bubbled more than bicarb did. Is
    more hydrogen liberated from the carb than the bicarb, making it
    more effective? 

    --Noel (who used to kinda understand chemistry, an awful long time
    ago, and is still curious)

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