Epsomite, the mineral form of Epsom salt, is a hydrated sulfate of which metal?

Which Mongol conqueror's title is usually translated as "universal ruler"? Which fruit's name is slang for a new car that keeps breaking down? What word describes any object that is fired, thrown or launched? Which Apple laptop line was offered with G4 processors from 2001 until the MacBook Pro replaced it in 2006? Which planet has the shortest day in the solar system, spinning once in under 10 hours? Quakers formally belong to the Religious Society of whom? What is the term for a remedy that counteracts a swallowed poison? In Scotland, what is a mountain over 3,000 feet called, after the man who listed them in 1891?