What chemical element is added to rubber to "vulcanize" it?

More Questions:

The name "denim" originates from what European language?

Who's responsible for "The Ballad of The Sad Cafe"?

Who wrote the horror novel "Dracula"?

Whose right-hand man is Mr. Smee?

Which musical term denotes that a piece is to be played "sweetly"?

What musical instrument is sometimes called a "sweet potato"?

Who wrote the book "Man's Search for Meaning"?

In what country would you find the active volcano "Etna"?

What beam derives its name from "light amplification by stimulated emission of radiation"?

Which penguin sex is larger?

Who sang "That's Alright Mama"?

What year was actor Arthur Stanley Jefferson born?

Traffic lights were first used in London in which year?

What year did the Battle of the Plains of Abraham take place?

Who played the role of the Grinch in the 2000 film "How the Grinch Stole Christmas"?