Which of the Following Is an Oxidation-Reduction Reaction

question 120

Multiple Choice

Which of the following is an oxidation-reduction reaction?

• A)Cu (s)+ 2AgNO₃ (aq)→ 2Ag (s)+ Cu(NO₃)₂ (aq)
• B)HCl (aq)+ NaOH (aq)→ H₂O (l)+ NaCl (aq)
• C)AgNO₃ (aq)+ HCl (aq)→ AgCl (s)+ HNO₃ (aq)
• D)Ba(C₂H₃O₂)₂ (aq)+ Na₂SO₄ (aq)→ BaSO₄ (s)+ 2NaC₂H₃O₂(aq)
• E)H₂CO₃ (aq)+ Ca(NO₃)₂ (aq)→ 2HNO₃ (aq)+ CaCO₃ (s)

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