Solved

Which of the Following Chemical Equations Is Balanced?
A)Fe₂O₃ $\rarr$ Fe + 2CO₂
B)Na₂SO₂ + S

Question 15

Multiple Choice

Which of the following chemical equations is balanced?

A) Fe₂O₃ + CO $\rarr$ Fe + 2CO₂
B) Na₂SO₂ + S $\rarr$ S₂O₃ + S
C) 3CuO + 2NH₃ $\rarr$ 3Cu + 3H₂O + N₂
D) 4Al + 3Fe₃O₄ $\rarr$ 4Al₂O₃ + 9Fe

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