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The Language of Chemistry — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYThe Language of Chemistry1 Mark
Question
Balance the following equation:
$Zn + KOH → K_2ZnO_2+ H_2$​​​​​​​
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Answer

$Zn + 2KOH → K_2ZnO_2+ H_2$​​​​​​​

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