Question

Which gas is most harmful?​

Answer 1

Answer:

Some, but by no means all, toxic gases are detectable by odor, which can serve as a warning. Among the best known toxic gases are carbon monoxide, chlorine, nitrogen dioxide and phosgene.

Explanation:

follow me

like my answer

Answer 2

Explanation:

Carbon minoxid is the gas the most harmful

I hope it may help to you