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Angelika

how to prepare dry hydrogen

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personally I`d add NaOH to Alu foil and bubble the gas through Conc Sulphuric acid.

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I'm paranoid enough that I'd include an anti suck back trap. Not least because I suspect this is a homework question.

I have neutralised 50% NaOH solution with conc sulphuric but I wouldn't want to do it by accident (and I don't really reccomend it).

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