Reaction of copper and nitric acid. Full article on https://weirdnaturalthings.blogspot.com/2019/05/colorful-gases.html?m=1

I breathed in a little bit of that nitrogen dioxide gas on accident once. That shit hurted.

Chips66

Amazing!

Its_Ya-Boi_Satan

I have never got this much likes

Sujyotsharma

You’re the “make deadly gases at home” guy, right?

Lovejoy2012

I have got about 800 karma in just 12 Hours. OMG!!!

Sujyotsharma

Thank you kind sir. You are a gentleman and a scholar.

Its_Ya-Boi_Satan