The+History+of+Chlorine

 Karl Wilhelm Scheele; Humphrey Davy

In 1774, Karl Wilhelm Scheele, a Sweedish scientist, discovered Chlorine. He thought it was hydrochloric acid though. He heated it up and found a green-yellow gas. Scheele did not classify Chlorine as an element though. In 1810, Humphrey Davy named and classified chlorine. During World War II, Chlorine was used for chemical warfare.

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