This ancient attempt to transmute base metals into noble metals was called what?

More Questions:

Which book of the Bible recounts the story of Noah and the Ark?

What specific animal appeared above the "Don't Tread on Me" motto on early American flags?

Pax was the Roman goddess of what?

The remains of which ancient city are found in Iraq?

What is the deepest lake in the world?

What is the capital of Montana?

What is the name of the coolest girls" gang in the movie "Grease"?

How much electricity is needed to power the flux capacitors in the Back to the Future films?

What 2005 movie stars Ellen Page and Sandra Oh?

Which great battle took place from July 1 to November 18, 1916?

After the Civil War, which Union general became the first president of the NRA?

What company was founded in October, 2016, to relaunch an all-electric vehicle that had previously failed?

Who wrote the novel "The Last of the Mohicans", first published in 1826?

Which TV network ran the TV show "Bonanza" from 1959 to 1973?

Who had hits with the songs "Sledgehammer" and "Big Time" in the 1980s?