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Carbon and Its Compounds — CHEMISTRY STD 8 — Question

ICSE BoardEnglish MediumSTD 8CHEMISTRYCarbon and Its Compounds1 Mark
Question
Carbon monoxide and not carbon dioxide is a highly poisonous gas.
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Answer

$CO$ is highly poisonous combines with haemoglobin of $\text{R.B.C.}$ and reduces the oxygen carrying capacity and death results.

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