Chemistry, 08.12.2019 00:31 maiahfogel1351

Which of the following is an oxidation-reduction reaction?
fe2o3 + 3co mc009-1.jpg 2fe + 3co2
cuso4 + 2naoh mc009-2.jpg cu(oh)2 + na2so4
2naoh + h2co3 mc009-3.jpg na2co3 + 2naoh
pb(no3)2 + na2so4 mc009-4.jpg 2nano3 + pbso4

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Which of the following is an oxidation-reduction reaction?
fe2o3 + 3co mc009-1.jpg 2fe + 3co2...