Baking soda is also called sodium what?

Baghdad is on the Tigris; which river is the Iraqi city of Fallujah on? In Charles Dickens's "A Christmas Carol," what is Scrooge's first name? Bahia and fescue are types of what? What baked clay, Italian for "baked earth," is often used for busts and reliefs? Baking soda, table salt and lye all typically contain which element? Balaklava was the site of a major 1854 battle in which war? Baku, the capital of Azerbaijan, lies on which sea? George Balanchine wrote that he played an elf in which Shakespeare play long before creating a 1962 ballet based on it?