Its pH changes very little when a small or moderate amount of strong acid or base is added to it and thus it is used to prevent changes in the pH of a solution. Buffer solutions are used as a means of keeping pH at a nearly constant value in a wide variety of chemical applications.
The Wizard of Oz movie musical premieres in Oconomowoc, Wisconsin. The Wizard of Oz, starring Judy Garland and featuring words and music by E.Y. âYipâ Harburg and Harold Arlen, receives its world premiere in Oconomowoc, Wisconsin, on this day in 1939.
Forty definitely, possibly forty-four. The Wonderful Wizard of Oz is the title of a book that was published in 1900 by George M Hill Publishing Co of Chicago and New York in Câ¦hicago, Illinois. It's aka The Wizard of Oz, published in that same year, by M.A. Donohue Publishers of Chicago. Whatever the title, it's first in the series of Oz books by author and Oz series originator Lyman Frank Baum [May 15, 1856-May 5, 1919].   When Oz book specialistst and devoted Oz book fans talk about the Oz books, they tend to refer to what are ka the Famous Forty.