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.
The negative imagery of Kansas in The Wizard of Oz is only a part of the story, for the tale is based on Dorothy's attempt to return home to Kansas. After having traveled through the colorful and exciting Land of Oz, Dorothy exclaims as she taps together the heels of her ruby slippers, There's no place like home.