Sir Humphry Davy

[Sir Humphry Davy] (1778-1829) English chemist. Experimented with nitrous oxide (laughing gas) and discovered and described its effect on the human system, made researches on marsh gas which led to the invention of his safety lamp, made investigations with the electrolysis of water which resulted in his identification of affinity with electricity, decomposed alkalis by electricity, definitely established the fact that alkaline earths were compounds, and discovered that oxymuriatic acid (chlorine) was an element.

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