Chemistry

Chemistry, 24.02.2021 01:00, jules8022

Cr + O2 → Cr2O3 Al + HCl → AlCl3 + H2

Ca(NO3)2 + Fe → Fe(NO3)3 + __ Ca

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__ Cr + __ O2 → __ Cr2O3 __ Al + __ HCl → __ AlCl3 + __ H2

__ Ca(NO3)2 + __ Fe → __ Fe(...

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