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Language of Chemistry — CHEMISTRY STD 7 — Question

ICSE BoardEnglish MediumSTD 7CHEMISTRYLanguage of Chemistry1 Mark
Question
Balance the following equation :
$Fe + O_2 → Fe_3 O_4$​​​​​​​
✓

Answer

$3Fe + 2O_2 → Fe_3O_4$​​​​​​​

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