Which of the Following Is an Oxidation-Reduction Reaction

question 95

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) Al₄(SO₄)₃ + 6KOH → 2 Al(OH)₃ + 3K₂SO₄

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