Question

A poisonous gas almost heavy as air​

Answer 1

Explanation:

Carbon monoxide, which is odourless and colourless, is the most abundant toxic gas. Having a similar density to air, it mixes easily and is readily inhaled. It is a renowned “silent killer” in domestic environments. Any process where there is incomplete combustion of carbon fuel is likely to produce carbon monoxide.

Answer 2

Answer:

Carbon monoxide is correct answer

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