Alphabet Quiz – X Made famous by a Samuel Taylor Coleridge poem, what was the summer capital of Kublai Khan's empire? What is the brand name of the anti-anxiety drug alprazolam? In 'Buffy the Vampire Slayer', what is the first name of the character played by Nicholas Brendon? What is a water-soluble natural gum used as a stabilizer in food and other products? What colorless noble gas has the atomic number 54? What would you call a person having a dislike of or prejudice against people from other countries? What word means "abnormal dryness", often with regards to skin? Who became King of Persia following the death of Darius I in 486 B.C.? What is 40 in Roman numerals? What is a word for an engraving in wood, or woodcut? Time's up