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July 31, 2014

Homework Help: Chemistry

Posted by Alexis on Sunday, March 20, 2011 at 10:16pm.

which equation represents an oxidation-reduction reaction?
1.HCl+KOH-->KCl+H2O
2.4HCl+MnO2-->MnCl2+2H2O+Cl2
3.2HCl+CaCO3-->CaCl2+H2O+CO2
4.2HCl+FeS-->FeCl2+H2S

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