Which of the following is an example of a double replacement reaction? A. 3Fe + 2O2 → Fe3O4 B. BaCl2 + K2CO3 → BaCO3 + 2KCl C. NiCO3 → NiO + CO2 D. Cl2 + 2NaBr → 2NaCl + Br2

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JiiB · Answer 1 · 2021-04-12T07:03:54+0000

B because you can see the elements being swapped by the other elements on both sides of the equation, please mark me as Brainlliest