CHEMISTRY THROUGH THE AGES - CHEMISTRY THROUGH THE AGES - CHEMISTRY THROUGH THE AGES
Chemistry before Christianity ( 3500 B.C. - 0 A.D.).
Applied chemistry begins with the extraction and working of metals and the manufacture of pottery.
The early Minoans of Crete develop a purple dye, made from sea molluscs, which later becomes famous as the "Royal Purple" of the Phoenicians.
The large-scale manufacture of glass begins in Egypt.
The Greek philosopher Empedocles presents the concept that matter is made up of four basic elements - air, earth, fire and water.
Aristotle produces his doctrine of the elements, which states that all tangible bodies are made up of basic materialdd in combination with the four qualities of hotness, dryness, coldness and wetness.
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