Gases jokes

I've just started a new business making people breathe in large amounts of helium. They all speak very highly of it.

The winds of Uranus go on and off, so you could say the wind is broken.

I'd make a joke about Noble Gases, but I probably wouldn't get much of a reaction.

Why didn’t Harry Potter use the chamber to teach Dumbledore’s army?

Because at one point poisonous gases were put in it.

What does Germany and the rest of the world have in common? They both use gases to poison one thing or another.

If a king farts, is it a noble gas?