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Elements, Compounds, Symbols And Formulae — CHEMISTRY STD 6 — Question

ICSE BoardEnglish MediumSTD 6CHEMISTRYElements, Compounds, Symbols And Formulae1 Mark
Question
What is the proportion of element present in the following compound?
$NO_2$
✓

Answer

Compound Element Proportion of Element
$NO_2$ N : O 7 : 16

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