Wednesday, January 9, 2013

Laughing gas

                                          Laughing gas

Nitrous oxide , commonly known as laughing gas is a chemical compound with the formula N2O. It is an oxide of nitrogen.
At room temperature , it is a colourless , non - flammable gas with a slightly sweet odour and taste. It is used in surgery and dentistry for its anesthetic and analgesic effect .
It is known as laughing gas , due to the euphoric effect after inhaling it . It is also used as an oxidiser. It is also a major green house gas and air pollutant. 

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