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Water displacement I got dihydrogen and dioxygen gas. Separation of KI from sand and iron I put E(use a sieve) by process of elimination because the other ones did not make sense to me at the time. And the pressure question I put 3 atm, but my logic could very well be off. Now that I think about it I cannot even understand my thought process for that one. What did you guys get for the absolute last question?
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