Single Answer MCQ
Q-00019176
Which element must be balanced in the equation Fe + O2 → Fe2O3?
1
Iron (Fe)
2
Oxygen (O)
3
Both Iron (Fe) and Oxygen (O)
4
Neither, the equation is balanced
Answer and Solution
Answer
C. Both Iron (Fe) and Oxygen (O)
Solution:
Both elements must be balanced in the equation as there are 2 iron atoms on the product side and 3 oxygen atoms. It requires balancing both sides for the reaction to hold true.
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