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Language of Chemistry — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYLanguage of Chemistry1 Mark
Question
Balance the equations:
$\mathrm{Cu}\left(\mathrm{NO}_3\right)_2$ (s) $->\mathrm{CuO}(\mathrm{s})+\mathrm{NO}_2$ (s) $+\mathrm{O}_2$ (s)
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Answer

$2 \mathrm{Cu}(\mathrm{NO} 3) 2 \rightarrow 2 \mathrm{CuO}+4 \mathrm{NO} 2+\mathrm{O} 2$

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