Which of these chemical reactions is an oxidation-reduction reaction? A. Fe + S Rightarrow FeS B. CO_2 + H_2O Rightarrow H_2CO_3 C. AgNO_3 + NaCl Rightarrow AgCl + NaNO_3 D. H_2SO_4 + 2NaOH Rightarrow Na_2SO_4 + 2H_2O
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Which of these chemical reactions is an oxidation-reduction reaction? A. Fe + S Rightarrow FeS B. CO_2 + H_2O Rightarrow H_2CO_3 C. AgNO_3 + NaCl Rightarrow AgCl + NaNO_3 D. H_2SO_4 + 2NaOH Rightarrow Na_2SO_4 + 2H_2O