Multiple ChoiceWhich metal can be used as a sacrificial anode to protect an iron pipe from corrosion?44views
Multiple ChoiceRedox reactions involve a transfer of which of the following from one atom to another?74views
Multiple ChoiceIn an oxidation-reduction (redox) reaction, which of the following statements is correct?44views
Multiple ChoiceWhich of the following best describes the purpose of flux on an electrode during a redox reaction?55views
Multiple ChoiceIn the reaction 3 Na(s) + AlCl_3(aq) → 3 NaCl(aq) + Al(s), which substance is reduced?62views
Multiple ChoiceWhich statement best describes the difference between oxidation and reduction in a redox reaction?64views
Multiple ChoiceConsider the reaction: Zn + Cu^{2+} → Zn^{2+} + Cu. What is being reduced in this reaction?55views
Multiple ChoiceIn the reaction Zn → Zn^{2+} + 2e^-, is zinc undergoing oxidation, reduction, or neither?61views