N2O alla bro N2. N2O laughing gass aanu, Liquid nitrogen is compressed form of Nitrogen gas It is not harmful because liquid nitrogen will boil at room temperature
Liquid nitrogen isn't toxic, but its extremely low temperature can cause severe damage to skin and internal organs if mishandled or consumed, the FDA said in a news release. ... "It may also cause burns of the fingers or hands when it is handled in the liquid state. Handle with care
If you would touch liquid nitrogen very briefly (I advise that you don't do this) you would certainly feel cold. If you stuck you finger into a flask of it for some time the liquid nitrogen would boil furiously and then your finger would freeze solid. and you could crush the finger instantly.
The vapor of liquid nitrogen could immediately freeze skin tissues and also cause cold burns. If a person swallows a bit of it, it may cause expansion of liquid nitrogen in the stomach. This results to severe health issues or death,"
