Which of the Following Is an Oxidation-Reduction Reaction

question 29

Multiple Choice

Which of the following is an oxidation-reduction reaction?

• A)CaCl₂+ Na₂SO₄→ CaSO₄+ 2NaCl
• B)KOH + HNO₃→ H₂O + KNO₃
• C)N₂ + O₂ → 2NO
• D)AgNO₃+ NaCl → AgCl + NaNO₃
• E)Al₂(SO₄)3 + 6KOH → 2Al(OH)3 + 3K₂SO₄

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