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Language of Chemistry — CHEMISTRY STD 7 — Question

ICSE BoardEnglish MediumSTD 7CHEMISTRYLanguage of Chemistry1 Mark
Question
Balance the following equation :
$Pb_3O_4 → PbO + O_2$​​​​​​​
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Answer

$2Pb_3O_4 → 6PbO + O_2$​​​​​​​

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