Carbon monoxide, with the chemical formula CO, is a colourless, odourless and tasteless gas.
See also:
It is the product of the incomplete combustion of carbon-containing compounds, notably in internal-combustion engines.
It has significant fuel value, burning in air with a characteristic blue flame, producing carbon dioxide.
Despite its serious toxicity, CO is extremely valuable and underpins much modern technology, being a precursor to myriad useful - even life-saving - products..
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