Question

In Chemical Equation :
1. Fe + H2 0 —> Fe3 O4 + H2
2. FeSO4 —> Fe2 O3 + SO2 + SO2
Why In One Equation Its Fe3 O4 and In One Fe2 O3 ? Which Factors Helps Us To Know Whether To Write Fe3 O4 Or Fe2 O3 ?

Answer 1

Answer:

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Explanation:

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