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Chemistry 10 Online
OpenStudy (anonymous):

Which of the following is a single replacement reaction? Fe2O3 + 3H2O 2Fe(OH)3 FeS + 2HCl FeCl2 + H2S 2Mg + O2 2MgO Mg + 2HCl MgCl2 + H2

OpenStudy (anonymous):

I think the last one

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