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  • Something about nitrous oxide(N2O), carbon dioxide(CO2), nitrogen and argon
    2021-03-05

    First synthesised by the philosopher and chemist Joseph Priestley in 1772, nitrous oxide(E 942) is commonly known as laughing gas and is a colourless non-flammable gas with a pleasant,Sprinkly sweet smell.Its nickname refers to the stimulating effects of inhaling it, which include spontaneous laughter, slight hallucinations and an analgesic effect.