Q.

Who discovered Potassium?

A. Humphry Davy
B. Alan Turing
C. Bill Gates
D. Tim Berners-Lee
Answer» A. Humphry Davy
Explanation: Potassium metal was first isolated in 1807 in England by Sir Humphry Davy, who derived it from caustic potash (KOH, potassium hydroxide) by electrolysis of molten KOH with the newly discovered voltaic pile.
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