Alchemy       Alchemy, ancient art practiced especially in the Middle Ages, devoted chiefly   to discovering a substance that would   spiritualise the more common metals into    prosperous or silver and to   decision a means of indefinitely prolonging human life.   Although its purposes and techniques were dubious and   oftentimes illusory,  chemical science   was in many ways the predecessor of  new-fashioned science, especially the science of   chemistry.   The birthplace of alchemy was ancient Egypt, where, in Alexandria, it began to    wave in the Hellenistic period; simultaneously, a  schooltime of alchemy was   developing in China.

 The writings of some of the  archaeozoic  Greek philosophers might   be considered to contain the first  chemical theories; and the  possibleness advanced   in the 5th century BC by Empedoclesthat all things are composed of air, earth,   fire, and waterwas influential in alchemy. The Roman emperor Caligula is said   to have instituted experiments for producing gold from orpiment, a sulfide of   arsenic, and the empero...If you want to get a  bountiful essay,  score it on our website: 
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