UPJOKE
gastoxicitynfpa 704odorchlorinephosgenecarbon monoxidenitrogen dioxide

Oxygen is a toxic gas

You get addicted to it and can't live without it after taking it only once and anyone taking it dies at an average age of 80.

What is the most toxic gas? (Possible Dad Joke?)

Air, every person died consuming it.

Please note that this site uses cookies to personalise content and adverts, to provide social media features, and to analyse web traffic. Click here for more information.