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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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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

User Divyesh Rupawala
by
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2 Answers

1 vote

Answer:B

Explanation:please like this bc I just did it and got it right

User Tou You
by
7.4k points
5 votes
B because you can see the elements being swapped by the other elements on both sides of the equation, please mark me as Brainlliest
User JiiB
by
8.8k points
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